< 生产厂家价格 >

H酸

H酸用途

【用途一】
是制造偶氮染料的重要中间体

点击显示

H酸名称

[ CAS 号 ]:
90-20-0

[ 中文名 ]:
4-氨基-5-羟基-2,7-萘二磺酸

[ 英文名 ]:
1-Amino-8-hydroxynaphthalene-3,6-disulphonic acid

[中文别名 ]:

[英文别名 ]:

H Acids
kyselina1-amino-8-naftol-3,6-disulfonova
1-AMINO-8-NAPHTHOL-3,6-DISULFONIC ACID
1-Amino-8-naphthol-3,6-disulphonicacid
1-amino-8-hydroxynaphtalene-3,6-disulfonic acid
4-hydroxy-5-amino-2,7-naphthalenedisulfonic acid
kyselinah
8-AMINO-1-NAPHTHOL-3,6-DISULFONIC ACID
2,7-Naphthalenedisulfonic acid, 4-amino-5-hydroxy-
1-amino-8-hydroxynaphthalene-3,6-disulfonic acid

H酸物理化学性质

[ 密度 ]:
1.9±0.1 g/cm3

[ 熔点 ]:
>300 °C(lit.)

[ 分子式 ]:
C₁₀H₉NO₇S₂

[ 分子量 ]:
319.311

[ 精确质量 ]:
318.982056

[ PSA ]:
171.75000

[ LogP ]:
-3.45

[ 外观性状 ]:
白色至灰色-黄色粉末

[ 折射率 ]:
1.764

[ 储存条件 ]:
室温，干燥

H酸毒性和生态

CHEMICAL IDENTIFICATION

RTECS NUMBER :: QJ6180000

CHEMICAL NAME :: 2,7-Naphthalenedisulfonic acid, 4-amino-5-hydroxy-

CAS REGISTRY NUMBER :: 90-20-0

BEILSTEIN REFERENCE NO. :: 2225829

LAST UPDATED :: 199701

DATA ITEMS CITED :: 3

MOLECULAR FORMULA :: C10-H9-N-O7-S2

MOLECULAR WEIGHT :: 319.32

WISWESSER LINE NOTATION :: L66J BZ DSWQ HSWQ JQ

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :: Standard Draize test

ROUTE OF EXPOSURE :: Administration into the eye

SPECIES OBSERVED :: Rodent - rabbit

REFERENCE :: 85JCAE "Prehled Prumyslove Toxikologie; Organicke Latky," Marhold, J., Prague, Czechoslovakia, Avicenum, 1986 Volume(issue)/page/year: -,1058,1986 *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - X4161 No. of Facilities: 25 (estimated) No. of Industries: 1 No. of Occupations: 2 No. of Employees: 737 (estimated)

点击显示

H酸安全信息

[ 危害码 (欧洲) ]:
Xi

[ 风险声明 (欧洲) ]:
R36/37/38

[ 安全声明 (欧洲) ]:
S26-S36

[ WGK德国 ]:
3

[ 海关编码 ]:
2922299090

H酸合成路线

详细合成路线

H酸上下游产品

H酸上游产品

H酸下游产品

H酸海关

[ 海关编码 ]: 2922299090

[ 中文概述 ]:
2922299090. 其他氨基(萘酚、酚)及醚、酯〔包括它们的盐, 但含有一种以上含氧基的除外〕. 增值税率:17.0%. 退税率:13.0%. 监管条件:无. 最惠国关税:6.5%. 普通关税:30.0%

[ 申报要素 ]: 品名, 成分含量, 用途, 乙醇胺及其盐应报明色度, 乙醇胺及其盐应报明包装

[ Summary ]:
2922299090. other amino-naphthols and other amino-phenols, other than those containing more than one kind of oxygen function, their ethers and esters; salts thereof. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:30.0%

H酸