1,1-Dimethylhydrazine
[CAS# 57-14-7]

Identification

• Classification: Organic raw materials >> Organic derivative of hydrazine or hydrazine
• Name: 1,1-Dimethylhydrazine
• Synonyms: UDMH; N,N-Dimethylhydrazine; asym-Dimethylhydrazine
• Molecular Formula: C₂H₈N₂
• Molecular Weight: 60.10
• CAS Registry Number: 57-14-7
• EC Number: 200-316-0

Properties

• Density: 0.785
• Melting point: -57.2 °C
• Boiling point: 62-64 °C (753 mmHg)
• Refractive index: 1.4065-1.4085
• Flash point: -18 °C
• Water solubility: miscible

Safety Data

• Hazard Symbols: GHS02;GHS06;GHS08;GHS05;GHS09 Danger
• Risk Statements: H225-H350-H331-H301-H314-H411
• Safety Statements: S45;S53;S61

Hazard Classification

Hazard	Class	Category Code	Hazard Statement
Acute toxicity	Acute Tox.	3	H301
Flammable liquids	Flam. Liq.	2	H225
Carcinogenicity	Carc.	1B	H350
Acute toxicity	Acute Tox.	3	H331
Skin corrosion	Skin Corr.	1B	H314
Chronic hazardous to the aquatic environment	Aquatic Chronic	2	H411
Specific target organ toxicity - single exposure	STOT SE	3	H335
Acute toxicity	Acute Tox.	3	H311
Germ cell mutagenicity	Muta.	2	H341

• Transport Information: UN 1163