Vat Red 41

Modify Date: 2025-08-21 12:50:12

Vat Red 41 Structure
Vat Red 41 structure
Common Name Vat Red 41
CAS Number 522-75-8 Molecular Weight 296.36400
Density 1.544 g/cm3 Boiling Point 409.2ºC at 760 mmHg
Molecular Formula C16H8O2S2 Melting Point N/A
MSDS N/A Flash Point 177ºC

 Names

Name (2Z)-2-(3-oxo-1-benzothiophen-2-ylidene)-1-benzothiophen-3-one
Synonym More Synonyms

 Chemical & Physical Properties

Density 1.544 g/cm3
Boiling Point 409.2ºC at 760 mmHg
Molecular Formula C16H8O2S2
Molecular Weight 296.36400
Flash Point 177ºC
Exact Mass 295.99700
PSA 84.74000
LogP 4.17520
Index of Refraction 1.797
InChIKey JOUDBUYBGJYFFP-NXVVXOECSA-N
SMILES O=C1C(=C2Sc3ccccc3C2=O)Sc2ccccc21

 Toxicological Information

CHEMICAL IDENTIFICATION

RTECS NUMBER :
DT4330000
CHEMICAL NAME :
(delta(sup 2,2'(3H,3'H))-Bibenzo(b)thiophene)-3,3'-dione
CAS REGISTRY NUMBER :
522-75-8
BEILSTEIN REFERENCE NO. :
0088277
LAST UPDATED :
199701
DATA ITEMS CITED :
4
MOLECULAR FORMULA :
C16-H8-O2-S2

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Intraperitoneal
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
4170 mg/kg
TOXIC EFFECTS :
Behavioral - somnolence (general depressed activity)
REFERENCE :
GISAAA Gigiena i Sanitariya. For English translation, see HYSAAV. (V/O Mezhdunarodnaya Kniga, 113095 Moscow, USSR) V.1- 1936- Volume(issue)/page/year: 50(8),91,1985 *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOHS - National Occupational Hazard Survey (1974) NOHS Hazard Code - M4429 No. of Facilities: 44 (estimated) No. of Industries: 2 No. of Occupations: 6 No. of Employees: 1582 (estimated) NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - M4429 No. of Facilities: 8 (estimated) No. of Industries: 1 No. of Occupations: 1 No. of Employees: 330 (estimated) No. of Female Employees: 115 (estimated)

 Safety Information

Risk Phrases R36/37/38
Safety Phrases S26-S36
RTECS DT4330000
HS Code 3204159000

 Precursor & DownStream

Precursor  0

DownStream  1

 Customs

HS Code 3204159000

 Synonyms

Fluorescent Red Dye
Durindone Red BP
Helindon Red BB
EINECS 208-336-1
Isothioindigo
Thioindigo
Thioindigo Red S
Ciba Pink B
MFCD00191692
Thioindigo Red B
Durindone Red B
Tetra Pink B
Antinolo Red B
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