Specifications, Uses, SDS of Methylene Chloride Manufacturers

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Specifications, Properties, Uses, SDS of Methylene Chloride or Dichloromethane or Methylene Dichloride USP NF BP Ph Eur Analytical Reagent FCC Food Grade Manufacturer Supplier Exporter Wholesale & Small Packs, CAS Number 75-09-2.
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Methylene Chloride Manufacturer Supplier Exporter

Methylene Chloride or Dichloromethane or Methylene Dichloride CAS Number 75-09-2

The Properties, Specifications, Monograph and Uses of Methylene Chloride or Dichloromethane or Methylene Dichloride:

CAS Number: 75-09-2, EINECS EC Number: 200-838-9, Molecular Formula: CH2Cl2, Molecular Weight: 84.93

Dichloromethane or DCM or methylene chloride is an organochloride compound with the formula CH2Cl2. This colorless, volatile liquid with a chloroform-like, sweet odour is widely used as a solvent. Although it is not miscible with water, it is polar, and miscible with many organic solvents. It is used as a solvent and paint remover.

Dichloromethane BP Ph Eur Grade:
Methylene Chloride Ph. Eur.
CH2Cl2 --- 84.9 --- 75-09-2
Action and use: Excipient.

DEFINITION
Dichloromethane.
It may contain maximum 2.0 per cent V/V of anhydrous ethanol and/or maximum 0.03 per cent V/V of 2-methylbut-2-ene as stabiliser.

CHARACTERS
Appearance: Clear, colourless, volatile liquid.
Solubility: Sparingly soluble in water, miscible with ethanol (96 per cent).

IDENTIFICATION
First identification: B, C
Second identification: A, D, E
A. Relative density (see Tests).
B. Refractive index (see Tests).
C. Infrared absorption spectrophotometry
D. Heat 2 mL with 2 g of potassium hydroxide and 20 mL of ethanol (96 per cent) under a reflux condenser for 30 min. Allow to cool. Add 15 mL of dilute sulfuric acid and filter. To 1 mL of the filtrate add 1 mL of a 15 g/L solution of chromotropic acid, sodium salt, 2 mL of water ;and 8 mL of sulfuric acid. A violet colour is produced.
E. 2 mL of the filtrate obtained in identification test D gives reaction of chlorides.

TESTS
Appearance: It is clear and colourless.
Acidity: To 50 mL of methanol previously neutralised to 0.1 mL of bromothymol blue solution, add 50 g of the substance to be examined. Not more than 0.15 mL of 0.1 M sodium hydroxide is required to change the colour of the indicator to blue.
Relative density: 1.320 to 1.332.
Refractive index: 1.423 to 1.425.
Ethanol, 2-methylbut-2-ene and volatile impurities: To pass the test.
Impurities percentage contents Limits:
ethanol: maximum 2.0 per cent V/V;
2-methylbut-2-ene: maximum 300 ppm V/V;
impurity A: maximum 10 ppm V/V;
impurity B: maximum 50 ppm V/V;
sum of impurities other than ethanol and 2-methylbut-2-ene: maximum 0.1 per cent V/V;
reporting threshold: 50 ppm V/V; the reporting threshold does not apply to impurity A.
Free chlorine: Place 5 mL in a ground-glass-stoppered tube. Add 5 mL of a 100 g/L solution of potassium iodide and 0.2 g of soluble starch. Shake for 30 s and allow to stand for 5 min. No blue colour develops.
Residue on evaporation: Maximum 20 ppm.
Water: Maximum 0.02 per cent m/m, determined on 10.00 ;g.

Methylene Chloride USP NF Grade
Dichloromethane USP NF Grade
CH2Cl2 84.93
Methane, dichloro-.
Dichloromethane --- [75-09-2].
Methylene Chloride contains not less than 99.0 percent of CH2Cl2.
[Caution: Perform all steps involving evaporation of methylene chloride in a well-ventilated fume hood. ]

Identification: Place about 5 mL into a glass-stoppered, 10-mL conical flask, and shake for several minutes. Remove the stopper, quickly withdraw a portion of the vapor into a 50-mL syringe that is not fitted with a needle, and inject the vapor into a suitable evacuated gas cell: the IR absorption spectrum of the vapor shows strong doublet peaks at 7.8 5m and 7.9 5m and at 13.2 5m and 13.4 5m, and relatively few minor peaks.
Specific gravity: between 1.318 and 1.322.
Water: not more than 0.02%.
Limit of hydrogen chloride: Into each of 2 glass-stoppered, 50-mL color-comparison cylinders having an internal diameter of 20 mm place 10 mL of water, 2 drops of phenolphthalein, and sufficient 0.010 N sodium hydroxide to produce a pink color that persists after vigorous shaking for 30 seconds, and is of equal intensity in each cylinder. [NOTE: In the following steps, take special care to avoid contamination with carbon dioxide.] Into one of the cylinders place 20.0 mL of Methylene Chloride and 0.70 mL of 0.010 N sodium hydroxide, and shake again. The pink color in the test cylinder is at least as intense as that in the comparison cylinder, and the color persists for not less than 15 minutes (0.001%).
Limit of nonvolatile residue: Evaporate 50 g in a platinum or porcelain dish on a steam bath, and dry at 105C for 30 minutes: the weight of the residue does not exceed 1 mg (0.002%).
Heavy metals: Evaporate 15 mL (20 g) in a glass evaporating dish on a steam bath to dryness. Cool, add 2 mL of hydrochloric acid, and slowly evaporate again on a steam bath to dryness. Dissolve the residue in 1 mL of 1 N acetic acid, add 24 mL of water, and mix: the limit is 1 ppm.
Free chlorine: To 10 mL add 10 mL of water and 0.1 mL of potassium iodide, shake for 2 minutes, and allow the liquids to separate: the lower layer does not show a violet tint.

Dichloromethane Analytical Reagent Grade:
Methylene Chloride
CH2Cl2 --- Formula Wt 84.93
CAS Number 75-09-2

Suitable for use in high-performance liquid chromatography, extraction-concentration analysis, ultraviolet spectrophotometry, or general use. Product labeling shall designate the one or more of these uses for which suitability is represented on the basis of meeting the relevant requirements and tests. The ultraviolet spectrophotometry and liquid chromatography suitability requirements include all of the requirements for general use. The extraction-concentration suitability requirements include only the general use requirement for color.

Methylene Chloride FCC Food Grade
Dichloromethane; Methylene Dichloride
CH2Cl2 --- Formula wt 84.93
CAS: [75-09-2]

DESCRIPTION
Methylene Chloride occurs as a clear, colorless, nonflammable liquid. It is soluble in about 50 parts of water, and is miscible with alcohol, with acetone, with chloroform, and with ether.
Its refractive index at 20C is about 1.424.
Function: Extraction solvent.

The MSDS-SDS Hazard Statement of Methylene Chloride or Dichloromethane or Methylene Dichloride:

Methylene Chloride SDS, Safety Data Sheet
MSDS, Material Safety Data Sheet 18-Oct-21

Product Name & Other Names: Methylene Chloride or Dichloromethane
CAS No.: 75-09-2
EINECS EC Number: 200-838-9
Relevant uses and uses advised against (if any): Industrial Manufacturing.
Suppliers: As per letterhead.
2. Hazards Identification
GHS, Globally Harmonized System Classification in accordance with 29 CFR 1910
Classification according to Regulation (EC) No 1272/2008
Skin irritation Category 2, H315
Serious eye damage/eye irritation Category 2A, H319
Specific target organ toxicity - single exposure, Target Organs - Respiratory system Category 3, H335
Specific target organ toxicity, single exposure; Central nervous system Category 3, H336
Carcinogenicity Category 2, H351
Specific target organ toxicity, repeated exposure Category 2, H373
Labelling according to Regulation (EC) No 1272/2008

Signal Words: Warning
Hazard statements:
H315: Causes skin irritation.
H319: Causes serious eye irritation.
H335: May cause respiratory irritation.
H336: May cause drowsiness or dizziness.
H351: Suspected of causing cancer.
H373: Causes damage to organs through prolonged or repeated exposure.
Precautionary statements:
P260: Do not breathe dust/fume/gas/mist/vapors/spray.
P264: Wash … thoroughly after handling.
P271: Use only outdoors or in a well-ventilated area.
P280: Wear protective gloves/protective clothing/eye protection/face protection.
P312: Call a POISON CENTER or doctor/physician if you feel unwell.
P302+P352: IF ON SKIN: Wash with plenty of soap and water.
P304+340: IF INHALED: Remove victim to fresh air and keep at rest in a position comfortable for breathing.
P305+P351+P338: IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
P332+P313: If skin irritation occurs: Get medical advice/attention.
P337+P313: If eye irritation persists: Get medical advice/ attention.
P362: Take off contaminated clothing and wash before reuse.
P403+233: Store in a well-ventilated place. Keep container tightly closed.
P501: Dispose of contents/container to authorized agents only.
3. Composition/Information on Ingredients
Product Name & Other Names: Methylene Chloride or Dichloromethane
CAS No.: 75-09-2
EINECS EC Number: 200-838-9
4. First Aid Measures
Always seek medical attention after first aid measures are provided.
Inhalation: If inhaled, remove to fresh air. If not breathing, give artificial respiration. If breathing is difficult, give oxygen and get medical attention immediately.
Ingestion: Never give anything by mouth to an unconscious person. Get medical attention.
Skin Contact: Immediately flush skin with plenty of water for at least 15 minutes while removing contaminated clothing and shoes. Get medical attention. Wash clothing and shoes before reuse.
Eye Contact: Immediately flush eyes with plenty of water for at least 15 minutes, lifting lower and upper eyelids occasionally. Get medical attention immediately.
5. Fire Fighting Measures
Fire: As with most organic solids, fire is possible at elevated temperatures or by contact with an ignition source.
Explosion: Fine dust dispersed in air in sufficient concentrations, and in the presence of an ignition source is a potential dust explosion hazard.
Fire Extinguishing Media: Water spray, dry chemical, alcohol foam, or carbon dioxide.
Extinguishing Media Not recommended: Avoid using solid water jet as it may scatter the fire.
Special Information: In the event of a fire, wear full protective clothing and NIOSH-approved self-contained breathing apparatus with full face piece operated in the pressure demand or other positive pressure mode. At high temperatures under fire conditions, it may produce toxic or irritating fumes. Fire-extinguishing work is done from the windward and the suitable fire-extinguishing method according to the surrounding situation is used. Uninvolved persons should evacuate to a safe place.
Hazardous decomposition products formed under fire conditions: Fumes, Carbon oxide Chlorine, and Hydrogen Chloride.

6. Accidental Release Measures
Personal precautions, protective equipment, and emergency procedures: Avoid breathing dust/fumes/gas/mist/vapors/spray. Use individual protective equipment (waterproof boots, suitable protective clothing, safety glasses, etc.). Restrict unprotected personnel from the area. Prevent any contact with hot surfaces. Do not approach facing the wind. Do not touch the spilled material.
Environmental precautions: Do not let the product enter drains, soil, or water sources.
Methods and materials used for containment cleanup procedures and Storage: Most vapors are heavier than air and will spread along ground and collect in low or confined areas. Avoid breathing vapors, mist, or gas. Contain spilled material. Do not let the product enter drains. Use a shovel to put the material into a convenient waste disposal container. Finish cleaning by spreading water on the contaminated surface and allow evacuating as per law.
7. Handling and Storage
Precautions for safe handling: Apply according to good manufacturing and industrial hygiene practices. Ensure proper ventilation. In case of insufficient ventilation, wear suitable respiratory equipment. Wash thoroughly after handling. Do not drink, eat, or smoke while handling. Avoid contact with skin, eyes, and clothing. Minimize dust generation. Avoid breathing dust/fumes/gas/mist/vapors/spray. Avoid contact with eyes, skin, and clothing. Keep container tightly closed. Avoid ingestion and inhalation. Use individual protective equipment (waterproof boots, suitable protective clothing, safety glasses, etc.).
Conditions for safe storage, including any incompatibilities: Store in cool, dry, and ventilated area away from heat sources and protected from sunlight in tightly closed original container. Keep air contact to a minimum. Store protected from heat, sparks and ignition sources and incompatible materials. Avoid contact with skin and eyes. Avoid inhalation of dust/mist/vapor. Do not store with incompatible materials like strong oxidizing agents, aluminum, magnesium, zinc, and their alloys, bases, oxygen, amines, reactive metals, sodium, potassium, alkali metals. Employ grounding, venting and explosion relief provisions in accord with accepted engineering practice. Avoid electrostatic discharge.
8. Exposure Controls/Personal Protection
Airborne Exposure Limits: ACGIH TWA: 50 ppm.
Ventilation System: A system of local and/or general exhaust is recommended to keep employee exposures as low as possible. Local exhaust ventilation is preferred because it can control the emissions of the contaminant at its source, preventing dispersion of it into the general work area.
Personal Respirators (NIOSH Approved): For conditions of use where exposure to dust or mist is apparent and engineering controls are not feasible, a particulate respirator (NIOSH type N95 or better filters) may be worn. If oil particles (e.g. lubricants, cutting fluids, glycerin, etc.) are present, use a NIOSH type R or P filter.
Skin Protection: Wear impervious protective clothing, including boots, gloves, lab coat, apron or coveralls, as appropriate, to prevent skin contact.
Eye Protection: Use chemical safety goggles and/or full face shield where dusting or splashing of solutions is possible. Maintain eye wash fountain and quick-drench facilities in work area.
Other Control Measures: Maintain good housekeeping in work area. Dust deposits on floors and other surfaces may pick up moisture and cause the surfaces to become slippery and present safety hazards. Handle in accordance with good industrial hygiene and safety practice.
9. Physical and Chemical Properties
Appearance: Colorless liquid.
Odor: Typical sweet.
Odor threshold: Not available.
pH: Not available.
Relative density: around 1.32
Boiling Point: 40C
Melting Point: -90C
Flash point: Not available.
Auto-ignition Temperature: 556C
Decomposition temperature: Not available.
Upper/lower flammability or explosive limits: Not available.
Vapor pressure: Not available.
Vapor density: Not available.
Evaporation rate: Not available.
Flammability (solid, gas): Not available.
Partition coefficient: n-octanol/water: Not available.
Solubility: Slightly soluble in water.
Viscosity: Not available.
Molecular Formula: CH2Cl2
Molecular Weight: 84.93
10. Stability and Reactivity
Stability: Stable under ordinary conditions of use and storage.
Reactivity: Reacts violently with active metals.
Hazardous Decomposition Products: Fumes, Carbon oxide Chlorine, and Hydrogen Chloride.
Hazardous Polymerization: Will not occur.
Incompatibilities: Aluminum, magnesium, zinc, and their alloys; Bases; Oxygen; Amines; Reactive metals; Sodium; Potassium; Strong oxidizing agents; Alkali metals.
Conditions to Avoid: Avoid heat, flames, sparks and other sources of ignition. Containers may rupture or explode if exposed to heat. Reacts violently with active metals.
11. Toxicological Information
Toxicity to Animals:
LD50 oral rat: >2000 mg/kg
LC50 Inhalation Rat: 52,000 mg/m3
LD50 dermal rat: >2000 mg/kg
LD50 Intravenous - mouse - 485 mg/kg
LD 50 Oral Rabbit: 6000 mg/kg
Carcinogenicity: No component of this product present at levels greater than or equal to 0.1% is identified as possible or confirmed human carcinogen by IARC, ACGIH, OSHA and NTP.
Teratogenic Effects: Not available.
Mutagenic Effects: Not available.
Developmental Toxicity: Not available.
Reproductive Effects: No information available.
12. Ecological Information
Freshwater Fish Toxicity:
LC50 (Static) Fathead minnow = 310 mg/L 96 hour(s)
LC50 (Static) Bluegill sunfish = 220 mg/L 96 hour(s)
Results of PBT and vPvB assessment: This substance/mixture contains no components considered to be either persistent, bioaccumulative and toxic (PBT), or very persistent and very bioaccumulative (vPvB) at levels of 0.1% or higher.
13. Disposal Considerations
Whatever cannot be saved for recovery or recycling should be managed in an appropriate and approved waste disposal facility. Processing use or contamination of this product may change the waste management options. State and local disposal regulations may differ from federal disposal regulations. Dispose of container and unused material in accordance with legal requirements.
14. Transport Information
Land Transport DOT USA, TDG Canada & ADR/RID Europe:
UN-No UN1593
Proper Shipping Name DICHLOROMETHANE
Hazard Class 6.1, Packing Group III
Sea Transport IMDG/IMO:
UN-No UN1593
Proper Shipping Name DICHLOROMETHANE
Hazard Class 6.1, Packing Group III
Air Transport ICAO/IATA:
UN-No UN1593
Proper Shipping Name DICHLOROMETHANE
Hazard Class 6.1, Packing Group III
15. Regulatory Information
USA:
SARA 311/312 Hazards: See section 2.
California Prop. 65 Components: Not listed.
Section 16 - Additional Information

Methylene Chloride or Dichloromethane or Methylene Dichloride Manufacturers, Suppliers, Exporters, Wholesalers:

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Specifications, Properties, Uses, SDS of Methylene Chloride or Dichloromethane or Methylene Dichloride USP NF BP Ph Eur Analytical Reagent FCC Food Grade Manufacturer Supplier Exporter Wholesale & Small Packs, CAS Number 75-09-2.

Methylene Chloride or Dichloromethane or Methylene Dichloride Manufacturers, Suppliers, Exporters, Wholesalers: