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Basic Information

Chinese name: Lemon yellow
Chinese alias: Acid Yellow 23; Hydrazine Yellow; 1- (4-sulfophenyl) -4- (4-sulfophenylphenylazo) -5-pyrazolinone-3-carboxylic acid trisodium salt
English name: Acid Yellow 23
English alias: CI19140; Tartrazine; Food Yellow 4; Trisodium 1- (4-sulfonatophenyl) -4- (4-sulfonatophenylazo) -5-pyrazolone-3-carboxylate
CAS number: 1934-21-0
Molecular formula: C16H9N4Na3O9S2
Molecular weight: 534.36
EINECS login number: 217-699-5
Structural formula: 柠檬黄结构式_1934-21-0结构式
Physical and chemical properties
Melting point: 300 ℃
Water solubility: water: 260 g / L (30 ℃)
Safety data
Danger category code: 42/43
safety instructions: 22-36 / 37-45-24 / 25

supplier

Tianmen Hengchang Chemical Co., Ltd.
Hubei Yongkuan Technology Co., Ltd.
Hubei Shishun Biotechnology Co., Ltd.
Wuhan Weisierman Biological Engineering Co., Ltd.
Weifang Ruiding Biological Technology Co., Ltd.
Hubei Guangao Biological Technology Co., Ltd.
Nanjing Sanshu Biological Technology Co., Ltd.
Nanjing Sanshu Biological Technology Co., Ltd.
Hubei Guangao Biological Technology Co., Ltd.
Hubei Guangao Biological Technology Co., Ltd.
Hubei Guangao Biological Technology Co., Ltd.
Shenzhen Grebo Biotechnology Co., Ltd.
Jusheng Chemical Research Institute
Xinkang Pharmaceutical Research Institute
Hubei Xinkang Pharmaceutical Chemical Co., Ltd.
Shenzhen Dali Marine Technology Co., Ltd.
Hubei Jusheng Technology Co., Ltd.
Chengdu Sitiande Biological Technology Co., Ltd.
Beijing Jingyao Yaobang Pharmaceutical Technology Co., Ltd.
Shanghai Yiji Industrial Co., Ltd.

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