| Data | Value |
|---|---|
| CAS Number(s) |
1605-72-7 3474-12-2 75-09-2 |
| Synonyms |
DCM Dichloromethane MC |
| Odor Threshold:
if available DO NOT USE AS A DATA POINT TO DETERMINE OVER EXPOSURE OR NOT UNLESS SPECIFICALLY STATED |
1.2 - 250 ppm |
| Relevant Routes of Exposure | |
| Dermal Concern: | Yes |
| Dermal Local Effects: | Skin irritant |
| Dermal Systemic Effects
(affinity for being absorbed into blood stream) |
Yes |
| Inhalation Concern: | Yes |
| Chemical Specific Requirements for TSCA Reform | |
| Regulation: | 40 CFR 751 Subpart B |
| De Minimis Threshold: (concentration in mixtures where Workplace Chemical Protection Program, WCPP, regulations are not applicable) |
0.10% |
| Action Level for an 8 hour time weighted average (TWA): | 1 ppm |
| Existing Chemical Exposure Limit (ECEL) for an 8 Hour Time Weighted Average (TWA): | 2 ppm |
| Existing Chemical Exposure Limit (ECEL) for a 15 minute Time Weighted Average (TWA) : | 16 ppm |
| Respiratory Protection Air Purifying Respirator (APR) and Concentration Range *NOTE* if mist is present, use a combination cartridge consisting of a particulate P 100 + the associated chemical cartridge |
|
| Half Face APR (APF 10): | Air Purifying Respirator NOT Allowed |
| Full Face APR (APF 50): | Air Purifying Respirator NOT Allowed |
| Full Face (APF 10,000): Pressure Demand Supplied Air Respirator |
≥ 2 ppm |
| Recommended Dermal Protection Information ALWAYS work with reputable dermal PPE manufacturers for determining recommended chemical gloves and chemical suits. Ensure that ASTM F739 and/or EN 374 are used and followed. |
|
| Acceptable Gloves:
for Splash / Intermittent Exposure or Potential for Exposure ≥ 0.3 mm |
Nitrile |
| Preferred Gloves: for Continuous Exposure |
8 hr: PVA, PE/EVAL |
| Chemical Suit: as Determined by a Site Specific Risk Assessment |
Responder, Trellchem, Tychem, Teflon, Barricade |
| OSHA Requirements That Still Have to Be Met In Addition to EPA Requirements | |
| Immediately Dangerous To Life or Health (IDLH): Table of IDLH Values |
2300 ppm |
| OSHA Standard: | OSHA 1910.152 |
| Medical Surveillance: | If OSHA TWA=25ppm or STEL=125ppm are exceeded, medical surveillance applies. |