ChemicalBook > CAS DataBase List > CROCEIN SCARLET 7B

CROCEIN SCARLET 7B

Product Name
CROCEIN SCARLET 7B
CAS No.
6226-76-2
Chemical Name
CROCEIN SCARLET 7B
Synonyms
CI 27165;ACID RED 71;CI NO 27165;ACID ORANGE 12;C.I. ACID RED 71);CROCEIN SCARLET 7B;Croceine Scarlet 7B;C.I.Acid Red 71:C.I.27165;CROCEIN SCARLET 7B C.I. NO. 27165;CROCEIN SCARLET 7B ISO 9001：2015 REACH
CBNumber
CB8105888
Molecular Formula
C24H18N4Na2O7S2
Formula Weight
584.53
MOL File
6226-76-2.mol
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CROCEIN SCARLET 7B Property

Melting point:
181-188℃
form 
Powder
Colour Index 
27165
Water Solubility 
Soluble in water
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Safety

Safety Statements 
22-24/25
WGK Germany 
3
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Hazard and Precautionary Statements (GHS)

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N-Bromosuccinimide Price

Sigma-Aldrich
Product number
C8822
Product name
Crocein Scarlet 7B
Packaging
1g
Price
$25.5
Updated
2024/03/01
Sigma-Aldrich
Product number
C8822
Product name
Crocein Scarlet 7B
Packaging
5g
Price
$74.2
Updated
2024/03/01
Alfa Aesar
Product number
J66876
Product name
Crocein Scarlet 7B, >70% dye content
Packaging
1g
Price
$17.6
Updated
2023/06/20
Alfa Aesar
Product number
J66876
Product name
Crocein Scarlet 7B, >70% dye content
Packaging
5g
Price
$47.2
Updated
2023/06/20
Sigma-Aldrich
Product number
C8822
Product name
Crocein Scarlet 7B
Packaging
25g
Price
$258
Updated
2024/03/01
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CROCEIN SCARLET 7B Chemical Properties,Usage,Production

Uses

Crocein Scarlet 7B is used in Crowle’s reagent. The reagent is needed for observing latent fingerprints, particularly bloody prints. Dyes and metabolites.

Preparation

2′,3-Dimethyl-4-amino-4′-sulfoazobenzene?diazo, and 7-Hydroxynaphthalene-1-sulfonic acid coupling.

Properties and Applications

red. Soluble in water for product red, soluble in ethanol for red orange. The strong sulfuric acid for blue, pink is diluted. In water solution to join strong hydrochloric acid for product red; Add thick sodium hydroxide solution for shallow red sauce.

Standard Light Fastness Soaping Persperation Fastness Oxygen bleaching Fastness to seawater
Fading Stain Fading Stain Fading Stain
ISO 5-6 2-3 2-3 2 1 2-3

CROCEIN SCARLET 7B Preparation Products And Raw materials

Raw materials

Preparation Products

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CROCEIN SCARLET 7B Suppliers

China 22 Europe 2 Germany 1 India 1 Switzerland 1 United Kingdom 2 United States 9 Global 38
Tianjin heowns Biochemical Technology Co., Ltd.
Tel
400 638 7771
Email
sales@heowns.com
Country
China
ProdList
14435
Advantage
57
Spectrum Chemical Manufacturing Corp.
Tel
021-021-021-67601398-809-809-809 15221380277
Fax
021-57711696
Email
marketing_china@spectrumchemical.com
Country
China
ProdList
9658
Advantage
60
Shanghai YuanYe Biotechnology Co., Ltd.
Tel
021-61312847; 18021002903
Fax
QQ:3008007432
Email
3008007409@qq.com
Country
China
ProdList
27313
Advantage
60
Tianjin heowns Biochemical Technology Co., Ltd.
Tel
400-6387771-6038 18902104717
Email
sales@heowns.com
Country
China
ProdList
21085
Advantage
60
Shanghai Han-Xiang Chemical Co., Ltd.
Tel
15971444841
Fax
18327183813
Email
amber@biochempartner.com
Country
China
ProdList
3061
Advantage
58
Beijing Minruida Technology Co., Ltd.
Tel
010-82387566 18001021521;
Fax
82387566-801
Email
sales@mreda.com.cn
Country
China
ProdList
10789
Advantage
58
Dideu Industries Group Limited
Tel
+86-29-89586680 +86-15129568250
Email
1026@dideu.com
Country
China
ProdList
22883
Advantage
58
Hubei Jusheng Technology Co.,Ltd.
Tel
18871490254
Fax
027-59599243
Email
linda@hubeijusheng.com
Country
CHINA
ProdList
28172
Advantage
58
Energy Chemical
Tel
021-58432009 400-005-6266
Fax
021-58436166
Email
marketing@energy-chemical.com
Country
China
ProdList
44918
Advantage
58
Lingyuan Bebiansen Biological Technology Co., Ltd
Tel
18642120371
Email
2837458851@qq.com
Country
China
ProdList
7995
Advantage
58
Hunan Yongqi Chemical Co., LTD
Tel
0731-85561035 13319583233
Email
yongqi@yongqichem.com
Country
China
ProdList
683
Advantage
58
Hu' nan Yunbang Pharmaceutical Co., Ltd.
Tel
0731-85561037 15386497078
Email
yunbang@yunbangapi.com
Country
China
ProdList
4827
Advantage
58
Shanghai klamar Reagent Co., LTD
Tel
4001650900 13817534909
Email
3003940895@qq.com
Country
China
ProdList
10720
Advantage
58
Shanghai Maclean Biochemical Technology Co., LTD
Tel
021-50706066 15221275939
Email
shenlinxing@macklin.cn
Country
China
ProdList
29794
Advantage
58
Shanghai Yuanmu Biological Technology Co., Ltd.
Tel
--
Fax
--
Country
CHINA
ProdList
6179
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Jiangxi Jianglan Pure Biological Reagent Co., Ltd.
Tel
--
Fax
--
Email
3245176082@qq.com
Country
CHINA
ProdList
6134
Advantage
58
Shanghai Machine Pure Industrial Co., Ltd.
Tel
--
Fax
--
Email
3245176082@qq.com
Country
CHINA
ProdList
6800
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58
Shanghai Yubai Biotechnology Co., Ltd.
Tel
--
Fax
--
Email
rongbai_sh021@163.com
Country
CHINA
ProdList
6722
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58
Shanghai Wowu Biological Technology Co., Ltd.
Tel
--
Fax
--
Email
shhebio@126.com
Country
CHINA
ProdList
6137
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58
Sangon Biotech (Shanghai) Co., Ltd.
Tel
--
Fax
--
Email
market3@sangon.com
Country
CHINA
ProdList
6951
Advantage
58
Guangzhou WeiBo Chemical Co., Ltd.
Tel
--
Fax
--
Email
weibochem@163.com
Country
China
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6187
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67
DeBioChem
Tel
--
Fax
--
Email
descibio@sohu.com
Country
China
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3333
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34

6226-76-2, CROCEIN SCARLET 7BRelated Search:

ACID RED 80 1-Naphthalenesulfonic acid, 4-amino-3-[2-(4-nitrophenyl)diazenyl]-, sodium salt (1:1) Solvent Orange 2 O-AMINOAZOTOLUENE O-TOLUIDINE-4-SULFONIC ACID SODIUM SALT Solvent Red 24 CROCEIN SCARLET 7B 2-Aminotoluene-5-sulfonic acid 4'-Aminoazobenzene-4-sulphonic acid ACID RED 151 Solvent Red 23 CROCEIN SCARLET Acid Red 73 Acid Red 18 7-hydroxynaphthalene-1-sulphonic acid Acid Scarlet Red CALCOCID CROCEIN SCARLET MOO BRILLIANT CROCEIN SCARLET 3BA

  • CROCEIN SCARLET 7B
  • CI 27165
  • CI NO 27165
  • ACID RED 71
  • ACID ORANGE 12
  • CROCEIN SCARLET 7B C.I. NO. 27165
  • 1-Naphthalenesulfonic acid, 7-hydroxy-8-2-methyl-4-(2-methyl-4-sulfophenyl)azophenylazo-, disodium salt
  • C.I. ACID RED 71)
  • 7-Hydroxy-8-[[2-methyl-4-[(2-methyl-4-sodiosulfophenyl)azo]phenyl]azo]naphthalene-1-sulfonic acid sodium salt
  • Croceine Scarlet 7B
  • CROCEIN SCARLET 7B ISO 9001：2015 REACH
  • C.I.Acid Red 71:C.I.27165
  • 6226-76-2
  • C24H18N4O7S2Na2