C.I. Direct Red 1

Modify Date: 2025-08-25 17:13:53

C.I. Direct Red 1 structure	Common Name	C.I. Direct Red 1
	CAS Number	2429-84-7	Molecular Weight	627.53500
	Density	N/A	Boiling Point	N/A
	Molecular Formula	C₂₉H₁₉N₅Na₂O₇S	Melting Point	N/A
	MSDS	N/A	Flash Point	N/A

Use of C.I. Direct Red 1

C.I. Direct Red 1, disodium salt is a dye.

Name	disodium,(3Z)-3-[[4-[4-[2-(2-imino-8-oxo-6-sulfonatonaphthalen-1-yl)hydrazinyl]phenyl]phenyl]hydrazinylidene]-6-oxocyclohexa-1,4-diene-1-carboxylate
Synonym	More Synonyms

Molecular Formula	C₂₉H₁₉N₅Na₂O₇S
Molecular Weight	627.53500
Exact Mass	627.08000
PSA	221.63000
LogP	7.26060

C.I. Direct Red 1 MSDS(Chinese)

CHEMICAL IDENTIFICATION

RTECS NUMBER :: DG2800350

CHEMICAL NAME :: Benzoic acid, 5-((4'-((2-amino-8-hydroxy-6-sulfo-1-naphthalenyl)azo )(1,1'-biphenyl)-4-yl )azo)-2-hydroxy-, disodium salt

CAS REGISTRY NUMBER :: 2429-84-7

LAST UPDATED :: 199710

DATA ITEMS CITED :: 8

MOLECULAR FORMULA :: C29-H21-N5-O7-S.2Na

MOLECULAR WEIGHT :: 629.59

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :: Standard Draize test

ROUTE OF EXPOSURE :: Administration into the eye

SPECIES OBSERVED :: Rodent - rabbit

REFERENCE :: TSCAT* Office of Toxic Substances Report. (U.S. Environmental Protection Agency, Office of Toxic Substances, 401 M St., SW, Washington, DC 20460) Volume(issue)/page/year: OTS 215154 ** ACUTE TOXICITY DATA **

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

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 22400 mg/kg

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

REFERENCE :: TSCAT* Office of Toxic Substances Report. (U.S. Environmental Protection Agency, Office of Toxic Substances, 401 M St., SW, Washington, DC 20460) Volume(issue)/page/year: OTS 215154

TYPE OF TEST :: LDLo - Lowest published lethal dose

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - rabbit

DOSE/DURATION :: 6 gm/kg

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

REFERENCE :: TSCAT* Office of Toxic Substances Report. (U.S. Environmental Protection Agency, Office of Toxic Substances, 401 M St., SW, Washington, DC 20460) Volume(issue)/page/year: OTS 215154 *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOHS - National Occupational Hazard Survey (1974) NOHS Hazard Code - M3265 No. of Facilities: 62 (estimated) No. of Industries: 3 No. of Occupations: 6 No. of Employees: 888 (estimated) NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - M3265 No. of Facilities: 119 (estimated) No. of Industries: 1 No. of Occupations: 1 No. of Employees: 830 (estimated)

Metachrome Red F

Direct Fast Red F

COLUMBIA FAST RED F

Diphenyl Red B

Cutamin Red CF

Direct Rose MN

Calcomine Red FC

Direct Red Kh

Vondacel Red FN

Fixanol Red FS

Airedale Red FD

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 Red 1
Price: Check
Purity: 98.0%
Delivery: 10 Day
Contact: Yang
Email: sales@echemcloud.com

DC Chemicals Limited
China
Product Name: C.I. Direct Red 1
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: disodium 5-[[4'-[(2-amino-8-hydroxy-6-sulphonato-1-naphthyl)azo][1,1'-biphenyl]-4-yl]azo]salicylate
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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Use of C.I. Direct Red 1

Names

Chemical & Physical Properties

MSDS

Toxicological Information

CHEMICAL IDENTIFICATION

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

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.