ChemicalBook > CAS DataBase List > 1-Naphthol-3,6-disulfonic acid

1-Naphthol-3,6-disulfonic acid

Product Name
1-Naphthol-3,6-disulfonic acid
CAS No.
578-85-8
Chemical Name
1-Naphthol-3,6-disulfonic acid
Synonyms
1-Naphthol-3,6-disul;1-Naphthol-3,6-disulfonic;1-Naphthol-3,6-disulfonic acid;Sodium1-naphthol-3,6-disulfonate;1-NAPHTHOL-3,6-DISULFONIC ACID 98%;1-Hydroxy-3,6-naphthalenedisulfonic acid;1-Hydroxynaphthalene-3,6-disulfonic acid;4-hydroxynaphthalene-2,7-disulfonic acid;4-Hydroxy-2,7-Naphthalenedisulfonic Acid;4-hydroxynaphthalene-2,7-disulphonic acid
CBNumber
CB0512345
Molecular Formula
C10H8O7S2
Formula Weight
304.3
MOL File
578-85-8.mol
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1-Naphthol-3,6-disulfonic acid Property

Density 
1.816±0.06 g/cm3(Predicted)
pka
-0.14±0.40(Predicted)
CAS DataBase Reference
578-85-8(CAS DataBase Reference)
EPA Substance Registry System
2,7-Naphthalenedisulfonic acid, 4-hydroxy- (578-85-8)
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Hazard and Precautionary Statements (GHS)

Symbol(GHS)
Signal word
Danger
Hazard statements

H314Causes severe skin burns and eye damage

Precautionary statements

P260Do not breathe dust/fume/gas/mist/vapours/spray.

P264Wash hands thoroughly after handling.

P264Wash skin thouroughly after handling.

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

P301+P330+P331IF SWALLOWED: Rinse mouth. Do NOT induce vomiting.

P303+P361+P353IF ON SKIN (or hair): Remove/Take off Immediately all contaminated clothing. Rinse SKIN with water/shower.

P304+P340IF INHALED: Remove victim to fresh air and Keep at rest in a position comfortable for breathing.

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

P310Immediately call a POISON CENTER or doctor/physician.

P321Specific treatment (see … on this label).

P363Wash contaminated clothing before reuse.

P405Store locked up.

P501Dispose of contents/container to..…

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N-Bromosuccinimide Price

American Custom Chemicals Corporation
Product number
CHM0006885
Product name
1-NAPHTHOL-3,6-DISULFONIC ACID
Purity
95.00%
Packaging
5MG
Price
$504.14
Updated
2021/12/16
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1-Naphthol-3,6-disulfonic acid Chemical Properties,Usage,Production

Chemical Properties

Off-white paste. 1-Hydroxynaphthalene-3,6-disulfonic acid [578-85-8]. (4-hydroxynaphthalene-2,7- disulfonic acid), RG acid, Violet acid, C10H8O7S2, Mr 304.3: the free acid ( pKa 8.56) and its alkalimetal salts are readily soluble in water, but the acid sodium salt can be precipitated from concentrated solution with salt. Sulfonation with oleum at 125℃ gives a tetrasulfonic acid, and amination with ammonia and ammonium chloride at 160℃ gives a mixture of 3-amino1-hydroxynaphthalene-6-sulfonic acid and 6- amino-1-hydroxynaphthalene-3-sulfonic acid. Alkali fusion at 170℃ gives mainly 1,6-dihydroxynaphthalene-3-sulfonic acid, and at 250℃ yields 1,3,6-trihydroxynaphthalene. Diazo coupling takes place in the 2-position.

Uses

1-Naphthol-3,6-disulfonic acid is mainly used in the manufacture of acid dyes

Production Methods

Naphthalene-1,3,6-trisulfonic acid is heated with 50 % sodium hydroxide at 180 C for 15 h in an autoclave. After dilution with water, the product is salted out as the monosodium salt and purified by washing with brine.

1-Naphthol-3,6-disulfonic acid Preparation Products And Raw materials

Raw materials

Preparation Products

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View Lastest Price from 1-Naphthol-3,6-disulfonic acid manufacturers

Zhuozhou Wenxi import and Export Co., Ltd
Product
1-Naphthol-3,6-disulfonic acid 578-85-8
Price
US $15.00-10.00/KG
Min. Order
1KG
Purity
99%+ HPLC
Supply Ability
Monthly supply of 1 ton
Release date
2021-08-11
Career Henan Chemical Co
Product
1-Naphthol-3,6-disulfonic acid 578-85-8
Price
US $1.00/kg
Min. Order
1kg
Purity
97%-99%
Supply Ability
as request
Release date
2018-12-23

578-85-8, 1-Naphthol-3,6-disulfonic acidRelated Search:

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  • 1-NAPHTHOL-3,6-DISULFONIC ACID 98%
  • 1-Naphthol-3,6-disulfonic acid
  • 1-Hydroxy-3,6-naphthalenedisulfonic acid
  • 1-Hydroxynaphthalene-3,6-bissulfonic acid
  • 1-Hydroxynaphthalene-3,6-disulfonic acid
  • 1-Naphthol-3,6-disul
  • 4-Hydroxy-2,7-Naphthalenedisulfonic Acid
  • 4-hydroxynaphthalene-2,7-disulfonic acid
  • 1-NAPHTHOL-3,6-DISULFONIC ACID ≡96%(HPLC)
  • 4-hydroxynaphthalene-2,7-disulphonic acid
  • 1-Naphthol-3,6-disulfonic
  • Sodium1-naphthol-3,6-disulfonate
  • 2,7-Naphthalenedisulfonic acid, 4-hydroxy-
  • 578-85-8
  • C10H5OHSO3H2
  • Intermediates of Dyes and Pigments
  • Organic acids