C.I. Direct Blue 2

Modify Date: 2025-09-03 13:06:39

C.I. Direct Blue 2 structure	Common Name	C.I. Direct Blue 2
	CAS Number	2429-73-4	Molecular Weight	830.70700
	Density	N/A	Boiling Point	N/A
	Molecular Formula	C₃₂H₂₁N₆Na₃O₁₁S₃	Melting Point	N/A
	MSDS	N/A	Flash Point	N/A

Use of C.I. Direct Blue 2

C.I. Direct Blue 2 is a dye.

Name	chlorazol black bh
Synonym	More Synonyms

Molecular Formula	C₃₂H₂₁N₆Na₃O₁₁S₃
Molecular Weight	830.70700
Exact Mass	830.01200
PSA	338.68000
LogP	10.18350
Index of Refraction	1.791

C.I. Direct Blue 2 MSDS(Chinese)

CHEMICAL IDENTIFICATION

RTECS NUMBER :: QJ6158000

CHEMICAL NAME :: 2,7-Naphthalenedisulfonic acid, 5-amino-3-((4'-((7-amino-1-hydroxy-3-sulfo-2-naphthal enyl) azo)(1,1'-biphenyl)-4-yl)azo)-4-hydroxy-, trisodium salt

CAS REGISTRY NUMBER :: 2429-73-4

LAST UPDATED :: 199710

DATA ITEMS CITED :: 9

MOLECULAR FORMULA :: C32-H24-N6-O11-S3.3Na

MOLECULAR WEIGHT :: 833.77

WISWESSER LINE NOTATION :: L66J BQ DSWO HSWO JZ CNUNR DR DNUN- CL66J DSWO IZ &-NA- 3

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :: Standard Draize test

ROUTE OF EXPOSURE :: Administration into the eye

SPECIES OBSERVED :: Rodent - rabbit

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 6450 mg/kg

TOXIC EFFECTS :: Lungs, Thorax, or Respiration - chronic pulmonary edema Gastrointestinal - other changes Kidney, Ureter, Bladder - other changes

TYPE OF TEST :: LDLo - Lowest published lethal dose

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - rabbit

DOSE/DURATION :: 10 gm/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

MUTATION DATA

TYPE OF TEST :: Mutation in microorganisms

TEST SYSTEM :: Bacteria - Salmonella typhimurium

DOSE/DURATION :: 1 mg/plate

REFERENCE :: ENMUDM Environmental Mutagenesis. (New York, NY) V.1-9, 1979-87. For publisher information, see EMMUEG. Volume(issue)/page/year: 8(Suppl 7),1,1986 *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOHS - National Occupational Hazard Survey (1974) NOHS Hazard Code - M1417 No. of Facilities: 135 (estimated) No. of Industries: 3 No. of Occupations: 9 No. of Employees: 2176 (estimated) NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - M1417 No. of Facilities: 18 (estimated) No. of Industries: 1 No. of Occupations: 1 No. of Employees: 220 (estimated) No. of Female Employees: 147 (estimated)

RTECS	QJ6158000

DIAZO BLACK BHN

DIAZO BLACK BH

EINECS 219-384-8

DirectBlueBH

diazo black

MFCD00059132

melantherine bh

Chlorazol Black BH

diamine black

azomine black bh

DIRECT BLUE 2

The content on this webpage is sourced from various professional data sources. If you have any questions or concerns regarding the content, please feel free to contact service1@chemsrc.com.

Shanghai Nianxing Industrial Co., Ltd
China
Product Name: C.I. Direct Blue 2
Price: Check
Purity: 98.0%
Delivery: 10 Day
Contact: Yang
Email: sales@echemcloud.com

DC Chemicals Limited
China
Product Name: C.I. Direct Blue 2
Price: $Inquiry/100mg $Inquiry/250mg $Inquiry/500mg
Purity: 98.0%
Delivery: 3 Day
Contact: Tony Cao
Email: sales@dcchemicals.com

Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: C.I. Direct Blue 2
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Delivery: Inquiry
Contact: Ms Wang
Email: enquiry@dycnchem.com

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C.I. Direct Blue 2

Use of C.I. Direct Blue 2

Names

Chemical & Physical Properties

MSDS

Toxicological Information

CHEMICAL IDENTIFICATION

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

MUTATION DATA

Safety Information

Synonyms

The content on this webpage is sourced from various professional data sources. If you have any questions or concerns regarding the content, please feel free to contact service1@chemsrc.com.