Name | 3,5-Dimethylpyrazole |
Synonyms | TH 564 TIMTEC-BB SBB004377 3,5-Dimethylpyrazole 3,5-Dwumetylopirazolu LABOTEST-BB LT00107055 Pyrazole, 3,5-dimethyl- 3,5-dimethyl-1h-pyrazol 1H-Pyrazole,3,5-dimethyl- 1(H)-3,5-Dimethylpyrazole |
CAS | 67-51-6 |
EINECS | 200-657-5 |
InChI | InChI=1/C5H8N2/c1-4-3-5(2)7-6-4/h3H,1-2H3,(H,6,7) |
Molecular Formula | C5H8N2 |
Molar Mass | 96.13 |
Density | 1.027g/cm3 |
Melting Point | 106-109℃ |
Boling Point | 218°C at 760 mmHg |
Flash Point | 90.5°C |
Vapor Presure | 0.19mmHg at 25°C |
Appearance | Crystallization |
Storage Condition | Room Temprature |
Refractive Index | 1.519 |
MDL | MFCD00005243 |
Physical and Chemical Properties | Chemical properties melting point 107.5-108.5 ℃, boiling point 218 ℃. |
Use | Mainly used for pharmaceutical intermediates |
Hazard Symbols | Xn - Harmful |
Risk Codes | R22 - Harmful if swallowed R36/37/38 - Irritating to eyes, respiratory system and skin. |
Safety Description | S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S36 - Wear suitable protective clothing. |
WGK Germany | 3 |
RTECS number | UQ6477600 |
Hazard Note | Irritant |
TSCA | Yes |
HazardClass | IRRITANT |
customs code | 29331990 |
3, 5-dimethylpyrazole is a heterocyclic organic substance that can be used as a pharmaceutical intermediate.
storage conditions | Sealed in dry,Room Temperature |
solubility | methanol: 0.1 g/mL, clear |
acidity coefficient (pKa) | 15.12±0.10(Predicted) |
morphology | Crystalline Powder or Crystals |
color | White to almost white |
PH value | 6.7 (14g/l, H2O, 20℃) |
water solubility | Soluble in water, methanol 0.1 g/mL. |
BRN | 106325 |
InChIKey | SDXAWLJRERMRKF-UHFFFAOYSA-N |
NIST chemical information | 1H-Pyrazole, 3,5-dimethyl-(67-51-6) |
EPA chemical information | 3,5-Dimethylpyrazole (67-51-6) |