Shanghai Nianxing Industrial Co., Ltd
China
Product Name: Acid Violet 7
Price: Check
Purity: 99.0%
Stocking Period: 10 Day
Contact: Yang
Email: sales@echemcloud.com

Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: Acid Naphthol Red 6B
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Stocking Period: Inquiry
Contact: Ms Wang
Email: enquiry@dycnchem.com

4321-69-1

4321-69-1 structure

4321-69-1 structure

Name: acid violet 7
Chemical Name: Fast Crimson 6BL (Biological Stain)
CAS Number: 4321-69-1
Molecular Formula: C₂₀H₁₆N₄Na₂O₉S₂
Molecular Weight: 566.472
Catalog: Dyes and pigments dye Acid Dyestuff
Create Date: 2018-09-02 13:01:27
Modify Date: 2025-08-24 14:24:49

Name	Fast Crimson 6BL (Biological Stain)
Synonyms	EINECS 224-352-1 MFCD00003948 2,7-Naphthalenedisulfonic acid, 5-(acetylamino)-3-[(E)-2-[4-(acetylamino)phenyl]diazenyl]-4-hydroxy-, sodium salt (1:2) curolred6b red6b acidred6b 1425red kitonred7b Disodium 5-acetamido-3-(4-acetamidophenyl)azo-4-hydroxynaphthalene-2,7-disulphonate acetylred6b amidored6b 2,7-Naphthalenedisulfonic acid, 5- (acetylamino)-3-[[4-(acetylamino)phenyl]azo]-4-hydroxy-, disodium salt Rose 6B Disodium 5-acetamido-3-[(E)-(4-acetamidophenyl)diazenyl]-4-hydroxy-2,7-naphthalenedisulfonate

Molecular Formula	C₂₀H₁₆N₄Na₂O₉S₂
Molecular Weight	566.472
Exact Mass	566.015381
PSA	228.65000
LogP	5.67860

CHEMICAL IDENTIFICATION

RTECS NUMBER :: QJ6000000

CHEMICAL NAME :: 2,7-Naphthalenedisulfonic acid, 5-(acetylamino)-3-((4-(acetylamino)phenyl) azo)-4-hydroxy-, disodium salt

CAS REGISTRY NUMBER :: 4321-69-1

LAST UPDATED :: 199707

DATA ITEMS CITED :: 2

MOLECULAR FORMULA :: C20-H16-N4-O9-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 :: 23160 mg/kg

TOXIC EFFECTS :: Behavioral - muscle weakness Behavioral - ataxia

REFERENCE :: BCTKAG Bromatologia i Chemia Toksykologiczna. (Ars Polona, POB 1001, 00-068 Warsaw 1, Poland) V.4- 1971- Volume(issue)/page/year: 21,65,1988

Personal Protective Equipment	Eyeshields;Gloves;type N95 (US);type P1 (EN143) respirator filter
RIDADR	NONH for all modes of transport
WGK Germany	2
RTECS	QJ6000000

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.