Zhengzhou Efelt Chemical Co., Ltd. is 2-chloro-1,1,1-trimethoxyethane, 2-bromo-1-cyclopropylethanone, 2-(chloromethyl)benzoic acid, ketopropane The company specializing in the production and processing of products such as diethyl diacid, 5-bromobenzo[b]thiophene, etc. has a complete and scientific quality management system. The integrity, strength and product quality of Zhengzhou Efilte Chemical Co., Ltd. have been recognized by the industry. Friends from all walks of life are welcome to visit, guide and negotiate business.
English name: Pyridazine
CAS number: 289-80-5
Molecular formula: C4H4N2
Molecular weight: 80.09
EINECS number: 206-025-5
Attributes
Melting point −8 °C(lit.)
Boiling point 208 °C(lit.)
Density 1.103 g/mL at 25 °C(lit.)
Refractive index n20/D 1.524(lit.)
Flash point 185 °F
Storage conditions Refrigerator
Acidity coefficient (pKa) 2.24 (at 20℃)
Liquid
Color Clear yellow-brown
Water solubility MISCIBLE
Merck 14,7969
BRN 103906
InChIKeyPBMFSQRYOILNGV-UHFFFAOYSA-N
Security Information
Hazard Symbol (GHS)
GHS07
Hazard description H227-H315-H319-H335
Precautionary statement P280g-P305+P351+P338
Dangerous goods mark Xn
Hazard category code 36/37/38-22
Safety Instructions 23-24/25
Dangerous goods transport number NA 1993 / PGIII
WGK Germany 3
RTECS number UR5267000
F 8-10
TSCA Yes
Customs code 29339980
Toxicity LD50 ipr-mus: 2650 mg/kg PBPHAW 1,542,65
English name: Pyridazine
CAS number: 289-80-5
Molecular formula: C4H4N2
Molecular weight: 80.09
EINECS number: 206-025-5
Attributes
Melting point −8 °C(lit.)
Boiling point 208 °C(lit.)
Density 1.103 g/mL at 25 °C(lit.)
Refractive index n20/D 1.524(lit.)
Flash point 185 °F
Storage conditions Refrigerator
Acidity coefficient (pKa) 2.24 (at 20℃)
Liquid
Color Clear yellow-brown
Water solubility MISCIBLE
Merck 14,7969
BRN 103906
InChIKeyPBMFSQRYOILNGV-UHFFFAOYSA-N
Security Information
Hazard Symbol (GHS)
GHS07
Hazard description H227-H315-H319-H335
Precautionary statement P280g-P305+P351+P338
Dangerous goods mark Xn
Hazard category code 36/37/38-22
Safety Instructions 23-24/25
Dangerous goods transport number NA 1993 / PGIII
WGK Germany 3
RTECS number UR5267000
F 8-10
TSCA Yes
Customs code 29339980
Toxicity LD50 ipr-mus: 2650 mg/kg PBPHAW 1,542,65