ChemicalBook > CAS DataBase List > 2-Naphthylamine-5,7-disulfonic acid

2-Naphthylamine-5,7-disulfonic acid

Product Name
2-Naphthylamine-5,7-disulfonic acid
CAS No.
118-33-2
Chemical Name
2-Naphthylamine-5,7-disulfonic acid
Synonyms
amino-iacid;AMINO J-ACID;kyselinaamino-i;2-Naphthylamin-5,7-disulfonsure;2-naftylamin-5,7-disulfonansodny;6-amino-1,3-naphthalenedisulfonic;2-Naphthylamine-5,7-disulfonicaci;6-amino-3-naphthalenedisulfonicacid;2-Naphthylamine-5,7-disulfonicaacid;2-NAPHTHYLAMINE-5,7-DISULFONIC ACID
CBNumber
CB9207888
Molecular Formula
C10H9NO6S2
Formula Weight
303.31
MOL File
118-33-2.mol
More
Less

2-Naphthylamine-5,7-disulfonic acid Property

Boiling point:
568.34℃[at 101 325 Pa]
Density 
1.769±0.06 g/cm3(Predicted)
vapor pressure 
0Pa at 25℃
pka
-0.91±0.40(Predicted)
Water Solubility 
229g/L at 15℃
InChI
InChI=1S/C10H9NO6S2/c11-7-1-2-9-6(3-7)4-8(18(12,13)14)5-10(9)19(15,16)17/h1-5H,11H2,(H,12,13,14)(H,15,16,17)
InChIKey
KZCSUEYBKAPKNH-UHFFFAOYSA-N
SMILES
C1(S(O)(=O)=O)=C2C(C=C(N)C=C2)=CC(S(O)(=O)=O)=C1
LogP
-1.85
CAS DataBase Reference
118-33-2(CAS DataBase Reference)
EPA Substance Registry System
1,3-Naphthalenedisulfonic acid, 6-amino- (118-33-2)
More
Less

Safety

RIDADR 
1759
HazardClass 
8
PackingGroup 
III
Toxicity
rat,LD50,oral,2gm/kg (2000mg/kg),"Prehled Prumyslove Toxikologie; Organicke Latky," Marhold, J., Prague, Czechoslovakia, Avicenum, 1986Vol. -, Pg. 1059, 1986.
More
Less

Hazard and Precautionary Statements (GHS)

Symbol(GHS)
Signal word
Warning
Hazard statements

H302Harmful if swallowed

H315Causes skin irritation

H319Causes serious eye irritation

H335May cause respiratory irritation

Precautionary statements

P261Avoid breathing dust/fume/gas/mist/vapours/spray.

P280Wear protective gloves/protective clothing/eye protection/face protection.

P301+P312IF SWALLOWED: call a POISON CENTER or doctor/physician IF you feel unwell.

P302+P352IF ON SKIN: wash with plenty of soap and water.

P305+P351+P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

More
Less

N-Bromosuccinimide Price

TRC
Product number
N325055
Product name
2-Naphthylamine-5,7-disulfonicAcid
Packaging
100mg
Price
$75
Updated
2021/12/16
Biosynth Carbosynth
Product number
FA41567
Product name
2-Aminonaphthalene-5,7-disUlfonic acid
Packaging
1g
Price
$84
Updated
2021/12/16
Matrix Scientific
Product number
097328
Product name
6-Aminonaphthalene-1,3-disulfonic acid
Purity
95+%
Packaging
1g
Price
$104
Updated
2021/12/16
Biosynth Carbosynth
Product number
FA41567
Product name
2-Aminonaphthalene-5,7-disUlfonic acid
Packaging
2g
Price
$134.4
Updated
2021/12/16
AK Scientific
Product number
U257
Product name
2-Aminonaphthalene-5,7-disulfonicacid
Packaging
1g
Price
$180
Updated
2021/12/16
More
Less

2-Naphthylamine-5,7-disulfonic acid Chemical Properties,Usage,Production

Chemical Properties

White glossy long prismatic needle-like crystals, the crystals precipitated from water contain 5 molecules of crystal water. The solubility in water at 20°C is 23%. Its monosodium salt and monopotassium salt are commonly used in industry, both of which are soluble in water, and the salt solution has green fluorescence.

Uses

2-Naphthylamine-5,7-disulfonic acid is an intermediate for the preparation of J acid, bis-J acid, phenyl J acid and scarlet acid.

Hazard

Skin - Rabbit 2 mg/24h severe; Eye - Rabbit 0.75 mg/24h severe

Flammability and Explosibility

Not classified

Synthesis

2-Naphthylamine-5,7-disulfonic acid can be obtained by hydrolysis of 2-naphthylamine-1,5,7-trisulfonic acid. Add sulfuric acid, sodium sulfate and 2-naphthylamine-1,5,7-trisulfonic acid into water, keep warm at 110-120°C for 4 hours, cool and filter, and wash in sodium sulfate solution to obtain the product.

2-Naphthylamine-5,7-disulfonic acid Preparation Products And Raw materials

Raw materials

Preparation Products

More
Less

2-Naphthylamine-5,7-disulfonic acid Suppliers

Finetech Industry Limited
Tel
027-87465837 19945049750
Fax
027-8777-2287
Email
sales@finetechnology-ind.com
Country
China
ProdList
9648
Advantage
58
Weifang Clarite Pharmaceutical Technology Co., Ltd
Tel
18105366931
Email
creatpharm@163.com
Country
China
ProdList
485
Advantage
58
Jinan chemkey pharmaceutical Co., Ltd.
Tel
15610156652
Email
baimingshi@163.com
Country
China
ProdList
930
Advantage
58
future industrial shanghai co., ltd
Tel
400-0066400 13621662912
Fax
021-55660885
Email
sales@jonln.com
Country
China
ProdList
1995
Advantage
65
Beijing Ouhe Technology Co., Ltd
Tel
010-82967028 13552068683
Fax
+86-10-82967029
Email
2355560935@qq.com
Country
China
ProdList
12390
Advantage
60
Nanjing Chemlin Chemical Co., Ltd
Tel
025-83697070
Fax
+86-25-83453306
Email
info@chemlin.com.cn
Country
China
ProdList
19172
Advantage
64
Hangzhou Yuhao Chemical Technology Co., Ltd
Tel
0571-82693216
Fax
+86-571-82880190
Email
info@yuhaochemical.com
Country
China
ProdList
9387
Advantage
52
The future of Shanghai Industrial Co., Ltd.
Tel
021-61552785
Fax
021-55660885
Email
sales@shshiji.com
Country
China
ProdList
9545
Advantage
55
Shanghai JONLN Reagent Co., Ltd.
Tel
400-0066400 13621662912
Fax
021-55660885
Email
422131432@qq.com
Country
China
ProdList
9978
Advantage
55
Bide Pharmatech Ltd.
Tel
400-164-7117 13681763483
Fax
+86-21-61629029
Email
product02@bidepharm.com
Country
China
ProdList
41462
Advantage
60
More
Less

View Lastest Price from 2-Naphthylamine-5,7-disulfonic acid manufacturers

Shaanxi Dideu Medichem Co. Ltd
Product
2-Naphthylamine-5,7-disulfonic acid 118-33-2
Price
US $0.00-0.00/KG
Min. Order
1KG
Purity
99.0%+
Supply Ability
100 tons
Release date
2019-12-30
Career Henan Chemical Co
Product
2-Naphthylamine-5,7-disulfonic acid 118-33-2
Price
US $1.00/KG
Min. Order
1KG
Purity
Min98% HPLC
Supply Ability
g/kg/ton
Release date
2020-01-28

118-33-2, 2-Naphthylamine-5,7-disulfonic acidRelated Search:


  • 2-naftylamin-5,7-disulfonansodny
  • 2-Naphthylamine-5,7-disulfonicaacid
  • 6-amino-1,3-naphthalenedisulfonic
  • 6-amino-3-naphthalenedisulfonicacid
  • 6-aminonaphthalene-1,3-disulphonicacid
  • 6-amino-naphthalene-3-disulfonicacid
  • amino-iacid
  • kyselinaamino-i
  • 2-NAPHTHYLAMINE-5,7-DISULPHONIC ACID
  • 2-NAPHTHYLAMINE-5,7-DISULFONIC ACID
  • 2-AMINONAPHTHALENE-5,7-DISULFONIC ACID
  • 6-AMINO-1,3-NAPHTHALENEDISULFONIC ACID
  • AMINO J-ACID
  • 6-aminonaphthalene-1,3-disulfonic acid
  • 2-NAPHTHYLAMINE-5,7-DISULFONIC ACID, 96% HPLC
  • 6-AMINO-1,3-NAPHTHALENE-DISULPHONICACID
  • 2-Naphthylamin-5,7-disulfonsure
  • 1,3-Naphthalenedisulfonic acid, 6-amino-
  • 2--5,7-twoaMinonaphthalenesulfonic acid
  • 2-NaphthylaMine-5,7-disulfonic acid, 3-disulfonic acid
  • Sodium 2-Naphthylamine-5,7-disulfonate
  • 6-amino-1,3-naphthalenesulfonic acid
  • 2-Naphthylamine-5,7-disulfonicaci
  • 2-Naphthylamine-5,7-disulfonic acid ISO 9001:2015 REACH
  • 2-Amino-5,7-disulfonic acid (amino acid)
  • 118-33-2
  • Anilines, Aromatic Amines and Nitro Compounds
  • Organic acids
  • Intermediates of Dyes and Pigments