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Chemical Sampling Information
Hexamethyl phosphoramide
 Field Definitions
 Analytical Methods
 Health Guidelines
General Description

NAME: Hexamethyl phosphoramide

SYNONYM(s): HMPA; Hexamethylphoric acid triamide; HEMPA; HMPT; Hexamethylphosphoramide

IMIS: H129

CAS: 680-31-9

NIOSH: RTECS TD0875000

DESCRIPTION:

Colorless, mobile liquid with aromatic odor; soluble with water, alcohol, ether, and other organic liquids except high-boiling point saturated hydrocarbons.
BP: 233 C at 760 mm
VP: 0.03 mm at room temp.

Exposure Limits

ACGIH TLV: (Skin); Appendix A3 (Confirmed Animal Carcinogen with Unknown Relevance to Humans)

NIOSH REL: Potential carcinogen

Health Factors

IARC: Group 2B, possibly carcinogenic to humans

Monitoring

Revision Date: 01/11/1999
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