Shanghai Nianxing Industrial Co., Ltd
China
Product Name: 3-Amino-1,5-naphthalenedisulfonic acid
Price: Check
Purity: 95.0%
Stocking Period: 10 Day
Contact: Yang
Email: sales@echemcloud.com

Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: 2-Amino-4,8-naphthalenedisulfonic acid suppliers in China
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Stocking Period: Inquiry
Contact: Ms Wang
Email: enquiry@dycnchem.com

Henan Tianfu Chemical Co., Ltd.
China
Product Name: TIANFU-CHEM -2-Amino-4,8-naphthalenedisulfonic acid
Price: $Inquiry/1kg $Inquiry/25kg $Inquiry/1000kg $Inquiry/10ton
Purity: 99.0%
Stocking Period: Inquiry
Contact: Anson
Email: info@tianfuchem.com

Zhongshan Xingrui Chemical Co. , Ltd.
China
Product Name: 3-Amino-1,5-naphthalenedisulfonic acid
Price: ￥Inquiry/25kg
Purity: 99.0%
Stocking Period: Inquiry
Contact: Wang Jie
Email: 3096638339@qq.com

131-27-1

131-27-1 structure

131-27-1 structure

Name: 3-Amino-1,5-naphthalenedisulfonic acid
Chemical Name: 3-aminonaphthalene-1,5-disulfonic acid
CAS Number: 131-27-1
Molecular Formula: C₁₀H₉NO₆S₂
Molecular Weight: 303.312
Catalog: Organic raw materials Carboxylic compounds and derivatives Halogenation, sulfonation, nitration or nitrosation of carboxylic acids
Create Date: 2018-06-11 11:57:01
Modify Date: 2025-08-25 17:04:05

Name	3-aminonaphthalene-1,5-disulfonic acid
Synonyms	3-Aminonaphthalene-1,5-disulphonic acid Kyselina C [Czech] 3-Amino-1,5-naphthalenedisulfonic acid 1,5-Naphthalenedisulfonic acid, 3-amino- Acid IV 3104699 Kyselina C 4,8-Disulfo-2-naphthalamine Amino C acid MFCD00035722 2-naphthylamine-4,8-disulphonic acid L66J BSWQ DZ GSWQ 3-Aminonaphthalene-1,5-disulfonic acid EINECS 205-020-5 2-amino-4,8-disulpho-naphthalene 2-Amino-4,8-naphthalenedisulfonic acid 2-Naphthylamine-4,8-disulfonic acid 2-aminonaphthalene-4,8-disulphonic acid 4,8-disulfo-2-aminonaphthalene

Density	1.8±0.1 g/cm3
Molecular Formula	C₁₀H₉NO₆S₂
Molecular Weight	303.312
Exact Mass	302.987122
PSA	151.52000
LogP	-1.57
Index of Refraction	1.733

CHEMICAL IDENTIFICATION

RTECS NUMBER :: QJ6140000

CHEMICAL NAME :: 1,5-Naphthalenedisulfonic acid, 3-amino-

CAS REGISTRY NUMBER :: 131-27-1

BEILSTEIN REFERENCE NO. :: 3104699

LAST UPDATED :: 199701

DATA ITEMS CITED :: 3

MOLECULAR FORMULA :: C10-H9-N-O6-S2

MOLECULAR WEIGHT :: 303.32

WISWESSER LINE NOTATION :: L66J BSWQ DZ GSWQ

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 ** ACUTE TOXICITY DATA **

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 11400 mg/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

REFERENCE :: 85JCAE "Prehled Prumyslove Toxikologie; Organicke Latky," Marhold, J., Prague, Czechoslovakia, Avicenum, 1986 Volume(issue)/page/year: -,1058,1986

Hazard Codes	Xi
Risk Phrases	R36/37/38
Safety Phrases	S26-S36/37/39
HS Code	2921499090

91-20-3 structure

91-20-3

~%

131-27-1 structure

131-27-1

Literature: Grundlegende Operationen der Farbenchemie, 5. Aufl. , S. 208

Precursor 1
91-20-3
DownStream 7
86-60-2 573-64-8 24487-91-0 91-59-8
603-80-5 6654-64-4 55289-06-0

HS Code	2921499090
Summary	2921499090 other aromatic monoamines and their derivatives; salts thereof VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:6.5% General tariff:30.0%

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