ChemicalBook > Product Catalog > Food Additives > Colorant > Natural pigment > disodium 4,4'-[[2,4-dihydroxy-5-(hydroxymethyl)-1,3-phenylene]bis(azo)]bisnaphthalene-1-sulphonate
disodium 4,4'-[[2,4-dihydroxy-5-(hydroxymethyl)-1,3-phenylene]bis(azo)]bisnaphthalene-1-sulphonate
disodium 4,4'-[[2,4-dihydroxy-5-(hydroxymethyl)-1,3-phenylene]bis(azo)]bisnaphthalene-1-sulphonate Basic information
- Product Name:
- disodium 4,4'-[[2,4-dihydroxy-5-(hydroxymethyl)-1,3-phenylene]bis(azo)]bisnaphthalene-1-sulphonate
- Synonyms:
-
- 1538 Brown
- C.I.20285
- Certicol Brown N Extra
- Cetricol Brown RS
- disodium 4,4'-[[2,4-dihydroxy-5-(hydroxymethyl)-1,3-phenylene]bis(azo)]bisnaphthalene-1-sulphonate
- Disodium-4,4-(2,4-Dihydroxy-5-HydroxyMethyl-1,3-PhenyleneBisazo)-Di(Naphthalene-1-Sulfonate)
- Brown HT
- 1-Naphthalenesulfonic acid, 4,4-2,4-dihydroxy-5-(hydroxymethyl)-1,3-phenylenebis(azo)bis-, disodium salt
- CAS:
- 4553-89-3
- MF:
- C27H18N4Na2O9S2
- MW:
- 652.56276
- EINECS:
- 224-924-0
- Mol File:
- 4553-89-3.mol
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disodium 4,4'-[[2,4-dihydroxy-5-(hydroxymethyl)-1,3-phenylene]bis(azo)]bisnaphthalene-1-sulphonate Chemical Properties
- Melting point:
- >300o C
- Density
- 0.816[at 20℃]
- vapor pressure
- 0Pa at 25℃
- storage temp.
- Hygroscopic, Refrigerator, Under inert atmosphere
- solubility
- DMSO (Slightly, Heated, Sonicated), Methanol (Slightly)
- form
- Solid
- color
- Pale Brown to Black
- Water Solubility
- 99.418g/L at 25℃
- Stability:
- Hygroscopic
- LogP
- 4.496 at 25℃
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disodium 4,4'-[[2,4-dihydroxy-5-(hydroxymethyl)-1,3-phenylene]bis(azo)]bisnaphthalene-1-sulphonate Usage And Synthesis
Uses
Chocolate Brown HT (CAS# 4553-89-3) is a synthetic organic food colourant, and a long-term carcinogen.
Preparation
4-Hydroxynaphthalene-1-sulfonic acid (2 Moore) diazo, and 4-(Hydroxymethyl)benzene-1,3-diol?coupled.
Flammability and Explosibility
Non flammable
Properties and Applications
red light brown. Soluble in water for brown. The strong sulfuric acid for red purple, diluted chocolate brown for red precipitate to brown precipitation and the solution. Its water solution and strong hydrochloric acid for dark chocolate brown precipitation and the solution; Add sodium hydroxide solution for product red.
disodium 4,4'-[[2,4-dihydroxy-5-(hydroxymethyl)-1,3-phenylene]bis(azo)]bisnaphthalene-1-sulphonateSupplier
Finetech Industry Limited
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- 027-87465837 19945049750
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Watson Biotechnology Co.,Ltd
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- 027-027-59207879 18140587686
- kf@3600chem.com
Aikon International Limited
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- 025-66113011 18112977050
- sales01@aikonchem.com
Shanghai Shuai Sun Industrial Co., Ltd.
- Tel
- 021-37590756 57450129
Chengdu Saint - Kay Biotechnology Co., Ltd.
- Tel
- 028-85157043 15882256948
- 676046971@qq.com
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disodium 4,4'-[[2,4-dihydroxy-5-(hydroxymethyl)-1,3-phenylene]bis(azo)]bisnaphthalene-1-sulphonate(4553-89-3)Related Product Information
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- Food Brown 2
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