2644-70-4

Name Hydrazine monohydrochloride
CAS 2644-70-4
EINECS(EC#) 220-154-4
Molecular Formula ClH5N2
MDL Number MFCD00044368
Molecular Weight 68.51
MOL File 2644-70-4.mol
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Chemical Properties

Appearance white to slightly beige crystals or cryst. powder
Melting point  89 °C(lit.)
Boiling point  240°C
density  1.500
storage temp.  Inert atmosphere,Room Temperature
solubility  DMSO (Slightly), Methanol (Slightly)
form  white orthorhombic crystals
color  White to Almost white
Water Solubility  370 g/L (20 ºC)
Stability: Hygroscopic
InChI InChI=1S/ClH.H4N2/c;1-2/h1H;1-2H2
InChIKey BIVUUOPIAYRCAP-UHFFFAOYSA-N
SMILES NN.Cl
CAS DataBase Reference 2644-70-4(CAS DataBase Reference)
EPA Substance Registry System 2644-70-4(EPA Substance)

Safety Data

Symbol(GHS)  Skull and Crossbones (GHS06)Health Hazard (GHS08)Environment (GHS09)
GHS06,GHS08,GHS09
Signal word  Danger
Hazard statements  H301+H311+H331-H317-H350-H410
Precautionary statements  P202-P273-P280-P301+P310-P302+P352+P312-P304+P340+P311
Hazard Codes  T,N
Risk Statements 
R45:May cause cancer.
R23/24/25:Toxic by inhalation, in contact with skin and if swallowed .
R43:May cause sensitization by skin contact.
R50/53:Very Toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment .
Safety Statements 
S53:Avoid exposure-obtain special instruction before use .
S45:In case of accident or if you feel unwell, seek medical advice immediately (show label where possible) .
S60:This material and/or its container must be disposed of as hazardous waste .
S61:Avoid release to the environment. Refer to special instructions safety data sheet .
RIDADR  UN 2923 8/PG 2
WGK Germany  3
RTECS  MV4625000
TSCA  TSCA listed
HazardClass  6.1(a)
PackingGroup  II
HS Code  28251090
Storage Class 6.1C - Combustible acute toxic Cat.3
toxic compounds or compounds which causing chronic effects
Hazard Classifications Acute Tox. 3 Dermal
Acute Tox. 3 Inhalation
Acute Tox. 3 Oral
Aquatic Acute 1
Aquatic Chronic 1
Carc. 1B
Skin Sens. 1

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Hazard Information

Material Safety Data Sheet(MSDS)

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