Direct Red 81
Suppliers
Names
[ CAS No. ]:
2610-11-9
[ Name ]:
Direct Red 81
[Synonym ]:
disodium 7-benzamido-4-hydroxy-3-[[4-[(4-sulphonatophenyl)azo]phenyl]azo]naphthalene-2-sulfonate
SOLARREDBA
MFCD00003949
7-Benzoylamino-4-hydroxy-3-[4-(4-sulfo-phenylazo)-phenylazo]-naphthalin-2-sulfonsaeure,Dinatrium-Salz
saturnredb
Chlorantinlichtrot-5BL
Chlorantine Fast Red 5B
Red 4BL
siriusred4b
7-benzoylamino-4-hydroxy-3-[4-(4-sulfo-phenylazo)-phenylazo]-naphthalene-2-sulfonic acid,disodium-salt
C. I. Direct Red 81
DURAZOL RED
solarredb
Direct Red 81
EINECS 220-028-9
helionred8b
SiruisRed4B
Chemical & Physical Properties
[ Melting Point ]:
240ºC
[ Molecular Formula ]:
C29H19N5Na2O8S2
[ Molecular Weight ]:
675.59900
[ Exact Mass ]:
675.04700
[ PSA ]:
229.93000
[ LogP ]:
8.67130
MSDS
Toxicological Information
CHEMICAL IDENTIFICATION
- RTECS NUMBER :
- QK1370000
- CHEMICAL NAME :
- 2-Naphthalenesulfonic acid, 7-(benzoylamino)-4-hydroxy-3-((4-((4-sulfophenyl)azo) phenyl)azo)-,disodium salt
- CAS REGISTRY NUMBER :
- 2610-11-9
- LAST UPDATED :
- 199710
- DATA ITEMS CITED :
- 7
- MOLECULAR FORMULA :
- C29-H19-N5-O8-S2.2Na
- MOLECULAR WEIGHT :
- 675.63
HEALTH HAZARD DATA
ACUTE TOXICITY DATA
- TYPE OF TEST :
- LD50 - Lethal dose, 50 percent kill
- ROUTE OF EXPOSURE :
- Intraperitoneal
- SPECIES OBSERVED :
- Rodent - mouse
- DOSE/DURATION :
- 1048 mg/kg
- TOXIC EFFECTS :
- Details of toxic effects not reported other than lethal dose value
MUTATION DATA
- TEST SYSTEM :
- Rodent - mouse
- DOSE/DURATION :
- 91250 ug/kg/24H (Intermittent)
- REFERENCE :
- TOLED5 Toxicology Letters. (Elsevier Science Pub. B.V., POB 211, 1000 AE Amsterdam, Netherlands) V.1- 1977- Volume(issue)/page/year: 40,183,1988 *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOHS - National Occupational Hazard Survey (1974) NOHS Hazard Code - M2171 No. of Facilities: 99 (estimated) No. of Industries: 5 No. of Occupations: 12 No. of Employees: 1931 (estimated) NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - M2171 No. of Facilities: 369 (estimated) No. of Industries: 9 No. of Occupations: 6 No. of Employees: 5247 (estimated) No. of Female Employees: 544 (estimated)
Safety Information
[ Personal Protective Equipment ]:
Eyeshields;Gloves;type N95 (US);type P1 (EN143) respirator filter
[ Safety Phrases ]:
S22;S24/25
[ RIDADR ]:
NONH for all modes of transport
[ RTECS ]:
QK1370000
Articles
Anal. Biochem. 400(1) , 139-41, (2010)
Proteins separated by SDS-polyacrylamide gel electrophoresis can be stained with organic dyes, the most popular being Coomassie brilliant blue R-250. Coomassie R-250 staining of ovalbumin in an SDS-PA...
Methods Mol. Biol. 869 , 585-9, (2012)
Proteins separated by SDS-polyacrylamide gel electrophoresis need to be stained with organic dyes to be visualized and to enable comparisons to be made between the intensity of protein bands to observ...
J. Oral Rehabil. 28(2) , 113-9, (2001)
The bilaminar zone (BZ) in the human temporomandibular joint (TMJ) of toothed adults (GI) and toothless, elderly humans (GII) were analysed using light and scanning electron microscopy (SEM). In both ...