hydrazine,sulfuric acid
DIHYDRAZINE SULFATE, 98
CAS: 13464-80-7
Molecular Formula: H10N4O4S
hydrazine,sulfuric acid - Names and Identifiers
| Name | DIHYDRAZINE SULFATE, 98 |
| Synonyms | Dihydrazinsulfat dihydraziniumsulfate Dihydraziniumsulphate hydrazine,sulfuric acid DIHYDRAZINE SULFATE, 98 2Hydrazine·sulfuric acid |
| CAS | 13464-80-7 |
| EINECS | 236-688-6 |
hydrazine,sulfuric acid - Physico-chemical Properties
| Molecular Formula | H10N4O4S |
| Molar Mass | 162.1688 |
| Density | Apparent density 55 lbs/cu ft |
| Melting Point | 85°C |
| Boling Point | 180°C/760mmHg |
| Water Solubility | g/100g H2O: 221 (30°C), 300 (40°C), 554 (60°C) [LAN05] |
| Merck | 13,3192 |
hydrazine,sulfuric acid - Risk and Safety
| Risk Codes | R45 - May cause cancer R23/24/25 - Toxic by inhalation, in contact with skin and if swallowed. R34 - Causes burns 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 Description | S53 - Avoid exposure - obtain special instructions before use. S36/37/39 - Wear suitable protective clothing, gloves and eye/face protection. S45 - In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.) S60 - This material and its container must be disposed of as hazardous waste. S61 - Avoid release to the environment. Refer to special instructions / safety data sheets. |
| UN IDs | UN 2923 8/PG 3 |
| WGK Germany | 3 |
| RTECS | MV9662500 |
| HS Code | 28251000 |
| Hazard Class | 6.1(b) |
| Packing Group | III |
hydrazine,sulfuric acid - References
| EPA chemical substance information | information provided by: ofmpeb.epa.gov (external link) |
| production method | hydrazine sulfate can be prepared by reacting hydrazine sulfate solution with barium carbonate. An excess of barium carbonate was slowly added to the hydrazine sulfate solution with stirring and gentle heating until the solution became slightly alkaline. After a further period of stirring, the solution was neutralized by addition of dilute sulfuric acid to make it weakly acidic. The barium sulfate precipitate was removed by filtration. The resulting solution was concentrated by evaporation in a vacuum rotary evaporator and then cooled with ice water to produce a crystalline powder of dihydrazine sulfate monohydrate (N2H4)2 · H2SO4 · H2O. After the crystals are separated, recrystallization is carried out in water, whereby a large transparent sheet-like crystal can be obtained. If the crystallization is carried out at a temperature above 50 °c, an anhydrous salt can be obtained. |
Last Update：2024-04-09 21:04:16
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