Name | 1H-Tetrazole |
Synonyms | TETRAZOLE Tetrazole 1H-Tetrazole 2H-tetrazole 2H-TETRAZOLE 1H-TETRAZOLE 5H-tetrazole Tetrazole solution 1H-1,2,3,4-TETRAZOLE 1H-1,2,3,4-TETRAAZOLE Tetrazole 1H-Tetrazole 1H-Tetrazole [Coupling Agent] |
CAS | 288-94-8 27988-97-2 |
EINECS | 206-023-4 |
InChI | InChI=1/CH2N4/c1-2-4-5-3-1/h1H2 |
InChIKey | KJUGUADJHNHALS-UHFFFAOYSA-N |
Molecular Formula | CH2N4 |
Molar Mass | 70.05 |
Density | 0.798g/mLat 20°C |
Melting Point | 156-158°C |
Boling Point | 220℃ |
Flash Point | 5°C |
Water Solubility | Soluble |
Solubility | DMSO, Methanol |
Vapor Presure | 394mmHg at 25°C |
Appearance | Liquid |
Color | Cream to orange |
BRN | 105799 |
pKa | 4.9(at 25℃) |
Storage Condition | Room temperature. |
Stability | Stable at RT |
Refractive Index | n20/D 1.348 |
Physical and Chemical Properties | White crystalline powder. Melting point ≥ 155 °c. |
Use | Used as an intermediate for Cilostazol |
Risk Codes | R11 - Highly Flammable R20/21/22 - Harmful by inhalation, in contact with skin and if swallowed. R36 - Irritating to the eyes R5 - Heating may cause an explosion R4 - Forms very sensitive explosive metallic compounds |
Safety Description | S16 - Keep away from sources of ignition. S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S36 - Wear suitable protective clothing. S36/37 - Wear suitable protective clothing and gloves. S35 - This material and its container must be disposed of in a safe way. S15 - Keep away from heat. |
UN IDs | UN 1993 3/PG 2 |
WGK Germany | 3 |
RTECS | UW7370000 |
FLUKA BRAND F CODES | 3-4.15-10 |
HS Code | 29339900 |
Hazard Class | 4.1 |
Packing Group | III |
Decomposition | 220°C |
NIST chemical information | Information provided by: webbook.nist.gov (external link) |
EPA chemical information | Information provided by: ofmpub.epa.gov (external link) |
reference quality standard | properties: white sand granular crystal content: ≥ 99.0% melting point: 155-157 ℃ clarity: 0.3g of this product is dissolved in 10 ml acetonitrile, and the weight loss on drying is ≤ 0.5% |
Use | Used as a cilostazol intermediate Peptide coupling agent; used as a catalyst in the triesteryl phosphine method for the synthesis of oligonucleotides by the coupling reaction of (dialkylamino) phosphine Used as a drug cilostazol intermediate |