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Chrome Red

Chrome Red structure

CAS No:
3618-63-1
Formula:
C20H16N4O5S.Na
Chemical Name:
Chrome Red
Synonyms:
1-Naphthalenesulfonic acid,4-[2-(4,5-dihydro-3-methyl-5-oxo-1-phenyl-1H-pyrazol-4-yl)diazenyl]-3-hydroxy-,sodium salt (1:1);C.I. Mordant Red 7,monosodium salt;Eriochrome Red B;C.I. Mordant Red 7;1-Naphthalenesulfonic acid,4-[(4,5-dihydro-3-methyl-5-oxo-1-phenyl-1H-pyrazol-4-yl)azo]-3-hydroxy-,monosodium salt;C.I. 18760;Acid Chrome Bordeaux 2A;Acid Chrome Bordeaux B;Airedale Red BC;Alizarine Brilliant Red 3R;Anthranol Chrome Red ECB;Atlantichrome Fast Red B;Azochromol Red G;Calcochrome Fast Red ECB;Chromaven Fast Red B;Chrome Bordeaux R;Chrome Fast Red B;Chrome Fast Red 2B;Chrome Red B;Chrome Red ECB;Chrome Red MB;Diacromo Red B;Diamond Red ECB;Durochrome Red B;Fenakrom Red B;Hispacrom Red 2B;Java Chrome Red B;Java Unichrome Red B;Magracrom Bordeaux 2A;Mitsui Chrome Red B;Monochrome Red BS;Omega Chrome Red B;Orthochrome Bordeaux B;Pontachrome Fast Red E;Salicine Chrome Bordeaux R;Solochrome Leather Red ER;Solochrome Red ER;Sunchromine Red B;Superchrome Red ECB;Symulon Chrome Red B;Tertrochrome Red 2B;Yodochrome Red BB;Acid Chrome Red;Diacromo Red MB;Chrome Red;NSC 47717;HBT-R 615;7247-94-1;200126-59-6
Categories:
Biochemical Engineering > Biochemical Reagents

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Chrome Red Basic Attributes

Molecular Weight：

446.41

Exact Mass：

446.06600

EC Number：

222-811-0

Characteristics

PSA：

148.58000

XLogP3：

5.14540

Density：

1.53g/cm3

Safety Information

wgk germany：

hazard class code：

36/37/38

safety instructions：

26-37/39

Marks：

Chrome Red Use and Manufacturing

Methods of Manufacturing

After diazotization from 1, 2, 4-acid (namely 1-amino-2-naphthol-4-sulfonic acid), coupling with 1-phenyl-3-methylpyrazolone, and then salting out, This product is produced through treatment processes such as filtration and drying. The dyeing fastness of this product on wool: 5 grades in sunlight, grade 5 in soaping, washing and perspiration, grade 4 in carbonization, grade 4-5 in cooking, and grade 3 in ironing. Raw material consumption (kg/t) 1, 2, 4-acid 335 sodium nitrite 1151-phenyl-3-methyl-5-pyrazolone 260 hydrochloric acid 200 soda ash 300 caustic soda 70 sodium sulfate 4

Uses

Mainly used for dyeing wool fabrics

Material

Sodium hydroxide

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Guide of Chrome Red

Basic Attributes
Characteristics
Safety Information
Use and Manufacturing
Material
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Chrome Red

SDS

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