CHROMOTROPIC ACID DISODIUM SALT

Base Information

• Chemical Name: CHROMOTROPIC ACID DISODIUM SALT
• CAS No.: 129-96-4
• Molecular Formula: C10H8 O8 S2 . 2 Na
• Molecular Weight: 364.264
• Hs Code.: 2908999090
• Mol file: 129-96-4.mol

Synonyms:2,7-Naphthalenedisulfonicacid, 4,5-dihydroxy-, disodium salt (8CI,9CI);4,5-Dihydroxynaphthalene-2,7-disulfonicacid disodium salt;Chromotropic acid disodium salt;Disodium1,8-dihydroxynaphthalene-3,6-disulfonate;Disodium4,5-dihydroxynaphthalene-2,7-disulfonate;Disodium chromotropate;Disodiumnaphthalene-1,8-dihydroxy-3,6-disulfonate;Sodium1,8-dioxynaphthalene-3,6-disulfonate;Sodium chromotropate;

Chemical Property of CHROMOTROPIC ACID DISODIUM SALT

Chemical Property:

• Melting Point: >300 °C(lit.)
• Boiling Point: °Cat760mmHg
• Flash Point: °C
• PSA: 171.62000
• Density: g/cm³
• LogP: 2.22080

Purity/Quality:

98% ^*data from raw suppliers

4,5-DIHYDROXY-2,7-NAPHTHALENEDISULFONIC ACID, DISODIUM SALT 95.00% ^*data from reagent suppliers

Safty Information:

• Hazard Codes: Xi
• Statements: 36/37/38
• Safety Statements: 26-36

MSDS Files:

SDS file from LookChem

Total 1 MSDS from other Authors

Useful:

Technology Process of CHROMOTROPIC ACID DISODIUM SALT

There total 2 articles about CHROMOTROPIC ACID DISODIUM SALT which guide to synthetic route it. The literature collected by LookChem mainly comes from the sharing of users and the free literature resources found by Internet computing technology. We keep the original model of the professional version of literature to make it easier and faster for users to retrieve and use. At the same time, we analyze and calculate the most feasible synthesis route with the highest yield for your reference as below:

synthetic route:

Reference yield:

C10H6NO7S2(3-)*3Na(1+) + 1-aminonaphthalene-3,6,8-trisulphonic acid trisodium salt → C10H7NO7S2(2-)*2Na(1+) + disodium chromotropate (129-96-4) + 4-amino-5-hydroxy-2,7-naphthalenedisulfonic acid disodium salt (3963-80-2,5460-09-3,17265-34-8,66108-97-2)

Guidance literature:

1-aminonaphthalene-3,6,8-trisulphonic acid trisodium salt; With sodium hydroxide; at 180 - 200 ℃;

C₁₀H₆NO₇S₂^(3-)*3Na⁽¹⁺⁾; With sulfuric acid; at 50 ℃; Autoclave;

Reference yield:

reactive violet 1 → sodium 3-chloro-4,5-dihydroxybenzene sulfonate + sodium 3-amino-4-hydroxyl benzene sulfonate + 4-chloro-1,3,5-triazine-2-ol + disodium chromotropate (129-96-4)

Guidance literature:

With laccase-conjugated amino-functionalized nanosilica; In aq. acetate buffer; at 30 ℃; for 12h; pH=5; Reagent/catalyst; pH-value; Temperature; Enzymatic reaction;

DOI:10.1007/s40089-017-0215-1

Reference yield: 67.0%

disodium chromotropate (129-96-4) → 1,3,6,8-Tetrahydroxynaphthalene (18512-30-6)

Guidance literature:

With barium hydroxide octahydrate; potassium hydroxide; sodium hydroxide; at 275 ℃; for 7.08333h; Inert atmosphere;

Downstream raw materials:

1,3,6,8-Tetrahydroxynaphthalene

3,6,8-Trihydroxy-3,4-dihydronaphthalen-1(2H)-one

4,5-ditosyloxynaphthalene-2,7-disulfonyl chloride

scytalone

Refernces

• 1、 -. "Device for preparing H-acid". Paragraph 0048; 0049; 0050; 0051. . Retrieved 2016/10/27.