Shanghai Nianxing Industrial Co., Ltd
China
Product Name: acid black 24
Price: Check
Purity: 98.0%
Stocking Period: 10 Day
Contact: Yang
Email: sales@echemcloud.com

Shanghai Jizhi Biochemical Technology Co., Ltd
China
Product Name: acid black 24
Price: ￥258.0/25g ￥518.0/100g ￥1278.0/500g
Purity: 98.0%
Stocking Period: 1 Day
Contact: Liu jia
Email: 2130147988@qq.com

Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: Acid Black 24
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Stocking Period: Inquiry
Contact: Ms Wang
Email: enquiry@dycnchem.com

3071-73-6

3071-73-6 structure

3071-73-6 structure

Name: acid black 24
Chemical Name: acid black 24
CAS Number: 3071-73-6
Molecular Formula: C₃₆H₂₃N₅Na₂O₆S₂
Molecular Weight: 731.707
Catalog: Dyes and pigments dye Acid Dyestuff
Create Date: 2018-06-20 10:02:11
Modify Date: 2025-08-24 20:57:57

Name	acid black 24
Synonyms	acid black 24 Sulfone Cyanin Black BB Black BR 1-Naphthalenesulfonic acid, 8-(phenylamino)-5-[(E)-2-[4-[(E)-2-(5-sulfo-1-naphthalenyl)diazenyl]-1-naphthalenyl]diazenyl]-, sodium salt (1:2) clothblackmb Disodium 8-anilino-5-[(E)-{4-[(E)-(5-sulfonato-1-naphthyl)diazenyl]-1-naphthyl}diazenyl]naphthalene-1-sulfonate fenazoblacksb sulfonblacks disodium 8-(phenylamino)-5-[(E)-{4-[(E)-(5-sulfonatonaphthalen-1-yl)diazenyl]naphthalen-1-yl}diazenyl]naphthalene-1-sulfonate TracidblackBR Disodium 8-anilino-5-[(E)-{4-[(E)-(5-sulfonato-1-naphthyl)diazenyl]-1-naphthyl}diazenyl]-1-naphthalenesulfonate EINECS 221-343-4 durolblackb durolblackba acidblacks

Molecular Formula	C₃₆H₂₃N₅Na₂O₆S₂
Molecular Weight	731.707
Exact Mass	731.088501
PSA	192.63000
LogP	11.76340

CHEMICAL IDENTIFICATION

RTECS NUMBER :: AQ4220000

CHEMICAL NAME :: 1-Naphthalenesulfonic acid, 8-(phenylamino)-5-((4-((5-sulfo-1-naphthalenyl)azo)-1 - naphthalenyl)azo)-, disodium salt

CAS REGISTRY NUMBER :: 3071-73-6

LAST UPDATED :: 199701

DATA ITEMS CITED :: 3

MOLECULAR FORMULA :: C36-H23-N5-O6-S2.2Na

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

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

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 15 gm/kg

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

REFERENCE :: GISAAA Gigiena i Sanitariya. For English translation, see HYSAAV. (V/O Mezhdunarodnaya Kniga, 113095 Moscow, USSR) V.1- 1936- Volume(issue)/page/year: 48(1),14,1983

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

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 8250 mg/kg

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

REFERENCE :: GISAAA Gigiena i Sanitariya. For English translation, see HYSAAV. (V/O Mezhdunarodnaya Kniga, 113095 Moscow, USSR) V.1- 1936- Volume(issue)/page/year: 48(1),14,1983

Hazard Codes	Xi
WGK Germany	2
RTECS	AQ4220000

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