Product Name

  • Name

    Methylhydrazine sulfate

  • EINECS 206-115-4
  • CAS No. 302-15-8
  • Article Data3
  • CAS DataBase
  • Density 0.8g/cm3
  • Solubility
  • Melting Point 143 °C
  • Formula CH6N2.H2SO4
  • Boiling Point 405.1°C at 760 mmHg
  • Molecular Weight 144.152
  • Flash Point 198.8°C
  • Transport Information
  • Appearance
  • Safety 26-36/37/39
  • Risk Codes 23/24/25-40
  • Molecular Structure Molecular Structure of 302-15-8 (Methylhydrazine sulfate)
  • Hazard Symbols R23/24/25:Toxic by inhalation, in contact with skin and if swallowed.; R40:Possible risks of irreversible effects.;
  • Synonyms Methylhydrazine monosulfate;Methylhydrazinium sulphate;Hydrazine, methyl-, sulfate (1:1);methylhydrazine; sulfuric acid;Methylhydrazine sulfate (1:1);MHS;
  • PSA 121.03000
  • LogP 0.59870

Methylhydrazine sulfate Chemical Properties

Product Name: Methyl hydrazine sulfate (CAS NO.302-15-8)


Molecular Formula: CH8N2O4S
Molecular Weight: 144.15g/mol
Mol File: 302-15-8.mol
Einecs: 206-115-4
Melting Point: 143°C
Boiling point: 330 °C at 760 mmHg
Flash Point: 198.8 °C
Enthalpy of Vaporization: 62.94 kJ/mol
Vapour Pressure: 3.35E-05 mmHg at 25°C
H-Bond Donor: 4
H-Bond Acceptor: 6

Methylhydrazine sulfate Toxicity Data With Reference

Organism Test Type Route Reported Dose (Normalized Dose) Effect Source
mouse LD50 intraperitoneal 160mg/kg (160mg/kg)   Russian Pharmacology and Toxicology Vol. 36, Pg. 27, 1973.

Methylhydrazine sulfate Consensus Reports

Reported in EPA TSCA Inventory.

Methylhydrazine sulfate Safety Profile

Poison by intraperitoneal route. Questionable carcinogen with experimental neoplastigenic data. When heated to decomposition it emits very toxic fumes of SOx and NOx. See also METHYL-HYDRAZINE.
Safety Information of Methyl hydrazine sulfate (CAS NO.302-15-8):
Risk Statements: 23/24/25-40 
23:  Toxic by inhalation 
24:  Toxic in contact with skin
25:  Toxic if swallowed 
40:  Limited evidence of a carcinogenic effect
Safety Statements: 26-36/37/39
26:  In case of contact with eyes, rinse immediately with plenty of water and seek medical advice
36:  Wear suitable protective clothing  
37:  Wear suitable gloves 
39:  Wear eye/face protection 

Methylhydrazine sulfate Specification

 Methyl hydrazine sulfate ,its CAS NO. is 302-15-8,the synonyms is  Methylhydrazine sulfate ; Methylhydrazine sulphate ; Methylhydrazinesulfate(1:1) ; Methylhydraziniumsulphate ; Methyl-hydrazinsulfate ; Methyl-hydrazinsulfate(1:1) ; Methylaminoazanium hydrogen sulfate .

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