Methylene chloride
|
CAS
75-09-2
|
CH2Cl2
|
RTECS
PA8050000
|
Synonyms & Trade Names
Dichloromethane, Methylene dichloride
|
DOT ID & Guide
1593 / 160
|
Exposure
Limits
|
NIOSH REL: Ca See Appendix A
|
|
OSHA PEL: [1910.1052] TWA 25 ppm ST 125 ppm
|
IDLH
Ca [2300 ppm]
See: 75092
|
Conversion
1 ppm = 3.47 mg/m3
|
Physical Description
Colorless liquid with a chloroform-like odor. [Note: A gas above 104°F.]
|
MW: 84.9
|
BP: 104°F
|
FRZ: -139°F
|
Sol: 2%
|
VP: 350 mmHg
|
IP: 11.32 eV
|
|
Sp.Gr: 1.33
|
Fl.P: ?
|
UEL: 23%
|
LEL: 13%
|
|
|
Combustible Liquid
|
Incompatibilities & Reactivities
Strong oxidizers; caustics; chemically-active metals such as aluminum, magnesium powders, potassium & sodium; concentrated nitric acid
|
Measurement Methods
NIOSH 1005, 3800; OSHA 80
See: NMAM or OSHA Methods |
Personal Protection & Sanitation (See protection)
Skin: Prevent skin contact
Eyes: Prevent eye contact
Wash skin: When contaminated
Remove: When wet or contaminated
Change: No recommendation
Provide: Eyewash, Quick drench
|
First Aid (See procedures)
Eye: Irrigate immediately
Skin: Soap wash promptly
Breathing: Respiratory support
Swallow: Medical attention immediately
|
Respirator Recommendations (See Appendix E)
NIOSH
At concentrations above the NIOSH REL, or where there is no REL, at any detectable concentration:
(APF = 10,000) Any self-contained breathing apparatus that has a full facepiece and is operated in a pressure-demand or other positive-pressure mode
(APF = 10,000) Any supplied-air respirator that has a full facepiece and is operated in a pressure-demand or other positive-pressure mode in combination with an auxiliary self-contained positive-pressure breathing apparatus
Escape:
(APF = 50) Any air-purifying, full-facepiece respirator (gas mask) with a chin-style, front- or back-mounted organic vapor canister/Any appropriate escape-type, self-contained breathing apparatus
Important additional information about respirator selection
|
Exposure Routes
inhalation, skin absorption, ingestion, skin and/or eye contact
|
Symptoms
Irritation eyes, skin; lassitude (weakness, exhaustion), drowsiness, dizziness; numbness, tingle limbs; nausea; [potential occupational carcinogen]
|
Target Organs
Eyes, skin, cardiovascular system, central nervous system
Cancer Site
[in animals: lung, liver, salivary & mammary gland tumors]
|
|
See also: INTRODUCTION
See ICSC CARD: 0058 See MEDICAL TESTS: 0148
|
