General

Synonyms: pyrazine hexahydride, piperazine phosphate, 1,4-diethylenediamine, hexahydro-1,4-diazine
Use: an intermediate in the preparation of pharmaceuticals, polymers, dyes.
Molecular formula: C₄H₁₀N₂
CAS No: 110-85-0
EC No:

Physical data

Appearance: off-white or colourless crystals
Melting point: 106 C
Boiling point: 146 C
Vapour density:
Vapour pressure:
Specific gravity: 1.1
Flash point: 82 C
Explosion limits:
Autoignition temperature:

Stability

Stable. Hygroscopic. Light sensitive. Flammable.

Toxicology

Corrosive - causes burns.

Toxicity data
(The meaning of any toxicological abbreviations which appear in this section is given here.)
ORL-HMN LDLO 5000 mg kg^-1
ORL-RAT LD50 3800 mg kg^-1

Risk phrases
(The meaning of any risk phrases which appear in this section is given here.)
R10 R34.

Personal protection

Safety glasses. Adequate ventilation.

[Return to Physical & Theoretical Chemistry Lab. Safety home page.]

This information was last updated on August 21, 2005. We have tried to make it as accurate and useful as possible, but can take no responsibility for its use, misuse, or accuracy. We have not verified this information, and cannot guarantee that it is up-to-date.