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Home > products > 2,7-Naphthalenedisulfonicacid,4-amino-3-[2-[4'-[2-(2,4-diaminophenyl)diazenyl][1,1'-biphenyl]-4-yl]diazenyl]-5-hydroxy-6-(2-phenyldiazenyl)-,sodium salt (1:2)

2,7-Naphthalenedisulfonicacid,4-amino-3-[2-[4'-[2-(2,4-diaminophenyl)diazenyl][1,1'-biphenyl]-4-yl]diazenyl]-5-hydroxy-6-(2-phenyldiazenyl)-,sodium salt (1:2) cas no:1937-37-7

Synonyms: Chlorazol Black E (6CI);Ahco Direct Black GX;Aizen Direct Deep Black EH;Amanil Black WD;Atlantic Black BD;Atlantic Black E;Atlantic Black GG;Atlantic Black GXOO;Azocard Black EW;Belamine Black GX;Benzanil Black E;Benzo Leather Black E;Black 2EMBL;Brasilamina Black GN;C.I. 30235;Calcomine Black EXL;Chloramine Black C;Chloramine Black ERT;Chlorazol Black EA;ChlorazolBurl Black E;

Identification
Name2,7-Naphthalenedisulfonicacid,4-amino-3-[2-[4'-[2-(2,4-diaminophenyl)diazenyl][1,1'-biphenyl]-4-yl]diazenyl]-5-hydroxy-6-(2-phenyldiazenyl)-,sodium salt (1:2)
CAS1937-37-7
SynonymsChlorazol Black E (6CI);Ahco Direct Black GX;Aizen Direct Deep Black EH;Amanil Black WD;Atlantic Black BD;Atlantic Black E;Atlantic Black GG;Atlantic Black GXOO;Azocard Black EW;Belamine Black GX;Benzanil Black E;Benzo Leather Black E;Black 2EMBL;Brasilamina Black GN;C.I. 30235;Calcomine Black EXL;Chloramine Black C;Chloramine Black ERT;Chlorazol Black EA;ChlorazolBurl Black E;
EINECS(EC#)217-710-3
Molecular FormulaC34H25N9Na2O7S2
Molecular Weight781.72
Chemical Properties
AppearanceGray-black microcrystals or black powder.
refractive index1.768
storage tempKeep container closed when not in use. Store in a tightly closed container. Store in a cool, dry, well-ventilated area away from incompatible substances.
Safety Data

Hazard T:Toxic;
Risk R45;R63
Safety

Confirmed carcinogen with carcinogenic and tumorigenic data. Moderately toxic by ingestion and inhalation. An eye irritant. Mutation data reported. When heated to decomposition it emits very toxic fumes of NOx, Na2O, and SO2.
Analytical Methods:                        
For occupational chemical analysis use NIOSH: Dyes, 5013.
Hazard Codes:
    T: Toxic
Risk Statements about  Apomine Black GX (CAS NO.1937-37-7):
    R45 May cause cancer. 
    R63 Possible risk of harm to the unborn child.
Safety Statements about Apomine Black GX (CAS NO.1937-37-7):
    S53 Avoid exposure - obtain special instructions before use. 
    S45 In case of accident or if you feel unwell, seek medical advice immediately (show the label where possible).
Health Hazard: ACUTE/CHRONIC HAZARDS: Direct Black 38 may be absorbed through the skin. When heated to decomposition it emits very toxic fumes of nitrogen oxides, disodium oxide and sulfur oxides.
Fire Hazard: Flash point data for Direct Black 38 are not available; however, Direct Black 38 is probably combustible.


Toxicity

Organism Test Type Route Reported Dose (Normalized Dose) Effect Source
rabbit LDLo oral 1262mg/kg (1262mg/kg) KIDNEY, URETER, AND BLADDER: OTHER CHANGES IN URINE COMPOSITION

KIDNEY, URETER, AND BLADDER: OTHER CHANGES
Office of Toxic Substances Report. Vol. OTS,
rat LCLo inhalation 180gm/m3/1H (180000mg/m3)   Office of Toxic Substances Report. Vol. OTS,
rat LD50 oral 7600mg/kg (7600mg/kg) BEHAVIORAL: CONVULSIONS OR EFFECT ON SEIZURE THRESHOLD

BEHAVIORAL: ATAXIA

GASTROINTESTINAL: "HYPERMOTILITY, DIARRHEA"
Office of Toxic Substances Report. Vol. OTS,

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Dynasty Chemicals (Ningbo) Co., Ltd.
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Shandong Dezhou Xinda Chemical Co., Ltd.
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BeiQi Trading Co., Limited
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Hangzhou Xiaoshan Feixiang Chemical Co.,Ltd.
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Address: Qingshan town, Lin'an city, Hangzhou, China
PYLAM
Tel:480-929-0070
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SKC Inc.
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Address: 863 Valley View Road Eighty Four, PA 15330-9613
Yangquan City,Yatai Longjiang Chemicals Import&export Co., ltd.
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Address: No., 139,Weiming street ,Baijin Gongguan 2,1-3201,Qiaoxi District,Shijiazhuang City,Hebei Province
AFINE CHEMICALS LIMITED
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Address: 6th Floor, Block C, 7th Building, Xigang Xinjie, Xihu Industrial Park, Sandun Town, Hangzhou, China
Angene International Limited
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South Star (China) Import & Export Co., Limited
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Jinan Haohua Industry Co., Ltd.
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Qingdao Chengxinhong Trading Co., Ltd
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Address: Room 402,No.2,9 Zone,Free Trade Zone
Wuhan jindi shengyuan chemical co.,ltd
Tel:4000271281
Address: Green New Capital,Spring Festival Village ,Houhu Village,Jiangan District,Wuhan China
Hebei Color-Focus Dyestuff Chemical Co.,Ltd.
Tel:86-311-12345678
Address: South of Shiliangzhuang, Gaoyi County
Winchem Industrial Co. Ltd.
Tel:86-574-83851061 86-574-87083208
Address: Room 905, No.3 Building,East Business Center, 456 Xingning Road, Ningbo City,China

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