Chromotropic acid sodium salt

Chemical Properties

storage temp.	Store at room temperature
form	Powder
color	Light gray to brown
CAS DataBase Reference	3888-44-6
EPA Substance Registry System	2,7-Naphthalenedisulfonic acid, 4,5-dihydroxy-, monosodium salt (3888-44-6)

Symbol(GHS)

Signal word

Warning

Hazard statements

H315-H319-H335

Precautionary statements

P261-P264-P271-P280-P302+P352-P304+P340+P312-P305+P351+P338-P332+P313-P337+P313-P403+P233-P405-P501

Safety Statements

TSCA

TSCA listed

HS Code

29089910

NFPA 704:

Product number	Packaging	Price	Product description	Buy
aablocks AA00BY8B	1g	$21	Sodium 4,5-dihydroxy-7-sulfonaphthalene-2-sulfonate	Buy
aablocks AA00BY8B	5g	$28	Sodium 4,5-dihydroxy-7-sulfonaphthalene-2-sulfonate	Buy
aablocks AA00BY8B	25g	$61	Sodium 4,5-dihydroxy-7-sulfonaphthalene-2-sulfonate	Buy
aablocks AA00BY8B	100g	$130	Sodium 4,5-dihydroxy-7-sulfonaphthalene-2-sulfonate	Buy
aablocks AA00BY8B	500g	$375	Sodium 4,5-dihydroxy-7-sulfonaphthalene-2-sulfonate	Buy

Supplier	Tel	Email	Country	ProdList	Advantage
J & K SCIENTIFIC LTD.	18210857532 18210857532	jkinfo@jkchemical.com	China	96815	76
RYSS TECH LTD	400-188-0725 +86 21 34310725 13611771617		China	1999	57
Thermo Fisher Scientific	800-810-5118	cnchemical@thermofisher.com	China	17752	75
Chengdu HuaXia Chemical Reagent Co. Ltd	400-1166-196 13458535857	cdhxsj@163.com	China	13323	58
Shanghai Macklin Biochemical Co.,Ltd.	15221275939 15221275939	shenlinxing@macklin.cn	China	15775	55
Shanghai YuanYe Biotechnology Co., Ltd.	15026964105	2881489226@qq.com	China	87240	60
Guangdong wengjiang Chemical Reagent Co., Ltd.	0751-2886750 13927877953	3005811397@qq.com	China	13281	58
Rhawn Reagent	400-400-1332688 18019345275	huyue@rhawn.cn	China	14942	58
Kaiyuan city Shenxin fine chemical co., ltd.	024-22595298 18698863499	1253960@qq.com	China	165	58
Shanghai Jizhi Biochemical Technology Co. Ltd.	021-4009004166/18616739031 18616739031	3007523370@qq.com	China	40000	58

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