NAME: Diazomethane

SYNONYM(s): Azimethylene; Diazirine

IMIS: 0861

CAS: 334-88-3

NIOSH: RTECS PA7000000; 47875

DESCRIPTION:

Yellow gas, or liquid under pressure.
MW: 42
BP: -9 F
MP: -229 F

INCOM: Alkali metals, drying agents such as calcium sulfate

OSHA GENERAL INDUSTRY PEL: 0.2 ppm, 0.4 mg/m3

OSHA CONSTRUCTION INDUSTRY PEL: 0.2 ppm, 0.4 mg/m3 TWA

ACGIH TLV: 0.2 ppm, 0.34 mg/m3 TWA; Appendix A2 (Suspected Human Carcinogen)

NIOSH REL: 0.2 ppm TWA

IARC: Group 3, not classifiable as to its carcinogenicity to humans

SYMPTOM(s): Coughing, shortness of breath; headaches; flushed skin, fever; chest pain, pulmonary edema, pneumonitis; irritated eyes; asthma; fatigue

HEALTH EFFECTS: Acute lung damage (HE11) Irritation-Eyes, Nose, Throat, Skin---Marked (HE14)

ORGAN: Respiratory system, eyes, skin

NIOSH/OSHA/DOE Health Guideline

PRIMARY SAMPLING/ANALYTICAL METHOD (SLC1):

MEDIA: Coated XAD-2 Tube (100/50 mg sections, 20/50 mesh); Coating is 1% (w/w) Octanoic Acid.
ANL SOLVENT: Carbon Disulfide
MAX V: 30 Liters   MAX F: 0.2 L/min
ANL 1: Gas Chromatography; GC/FID
REF: 1 (NIOSH 2515)
SAE: 0.14
CLASS: Fully Validated