Eriochrome Black T
Suppliers
Names
[ CAS No. ]:
1787-61-7
[ Name ]:
Eriochrome Black T
[Synonym ]:
1-Naphthalenesulfonic acid, 3-hydroxy-4-[(1-hydroxy-2-naphthyl)azo]-7-nitro-, sodium salt
ERIO T
EINECS 217-250-3
chromeblackpb
MFCD00003935
Sodium 3-hydroxy-4-[(E)-(1-hydroxy-2-naphthyl)diazenyl]-7-nitro-1-naphthalenesulfonate
Color index
F-241
1-Naphthalenesulfonic acid, 3-hydroxy-4-[(E)-2-(1-hydroxy-2-naphthalenyl)diazenyl]-7-nitro-, sodium salt (1:1)
Eriochrome4 Black T
sodium 3-hydroxy-4-[(E)-(1-hydroxynaphthalen-2-yl)diazenyl]-7-nitronaphthalene-1-sulfonate
C.I.4645
Eriochrome black T
C.I. MORDANT BLACK 11
Sodium 3-hydroxy-4-[(E)-(1-hydroxy-2-naphthyl)diazenyl]-7-nitronaphthalene-1-sulfonate
S NO 241
EBT
3-Hydroxy-4-[(1-hydroxy-2-naphthalenyl)azo]-7-nitro-1-naphthalenesulfonic Acid Monosodium Salt
Mordant Black 11
1-(1-Hydroxy-2-naphthylazo)-6-nitro-2-naphthol-4-sulfonic Acid Sodium Salt
2-Naphthol-4-sulfonic acid, 1-[(1-hydroxy-2-naphthyl)azo]-6-nitro-, sodium salt
Black T
Chemical & Physical Properties
[ Density]:
1.109 g/mL at 25 °C
[ Molecular Formula ]:
C20H12N3NaO7S
[ Molecular Weight ]:
461.38
[ Flash Point ]:
185 °C
[ Exact Mass ]:
461.029358
[ PSA ]:
176.58000
[ LogP ]:
6.23590
[ Storage condition ]:
Store at RT.
[ Water Solubility ]:
50 g/L (20 ºC)
MSDS
Toxicological Information
CHEMICAL IDENTIFICATION
- RTECS NUMBER :
- QK2197000
- CHEMICAL NAME :
- 1-Naphthalenesulfonic acid, 3-hydroxy-4-((1-hydroxy-2-naphthalenyl)azo)-7-nitro-, monosodium salt
- CAS REGISTRY NUMBER :
- 1787-61-7
- LAST UPDATED :
- 199710
- DATA ITEMS CITED :
- 3
- MOLECULAR FORMULA :
- C20-H12-N3-O7-S.Na
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 :
- 17590 mg/kg
- TOXIC EFFECTS :
- Behavioral - excitement Behavioral - changes in motor activity (specific assay) Gastrointestinal - hypermotility, diarrhea
- 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
Safety Information
[ Personal Protective Equipment ]:
Eyeshields;Gloves;type N95 (US);type P1 (EN143) respirator filter
[ Hazard Codes ]:
Xi:Irritant;
[ Risk Phrases ]:
R36
[ Safety Phrases ]:
S39-S26-S37/39
[ RIDADR ]:
3077
[ RTECS ]:
QK2197000
[ HS Code ]:
32041900
Customs
[ HS Code ]: 32041900
Articles
Arch. Biochem. Biophys. 566 , 1-6, (2015)
Mevalonate diphosphate decarboxylase (MDD; EC 4.1.1.33) catalyzes the irreversible decarboxylation of mevalonate diphosphate in the mevalonate pathway to form isopentenyl diphosphate, which is a precu...
Electrophoresis 27(9) , 1744-8, (2006)
A sensitive silver staining method using eriochrome black T as a silver-ion sensitizer for DNA detection in polyacrylamide gels was developed. The sensitivity of this staining method was significantly...
Int. J. Pharm. 388(1-2) , 196-201, (2010)
A novel gel system was obtained by mixing aqueous solutions of tamarind seed xyloglucan (TSX) and Eriochrome Black T (EBT), an antiangiogenic compound. The shear-viscosity flow curves revealed that al...