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CAS 1787-61-7 | Eriochrome Black T

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Common NameEriochrome Black T
CAS Number1787-61-7Molecular Weight461.38
Density1.109 g/mL at 25 °CBoiling Point/
Molecular FormulaC20H12N3NaO7SMelting Point/
MSDSChineseUSAFlash Point185 °C

Names

NameEriochrome Black T
SynonymMore Synonyms

Eriochrome Black T BiologicalActivity

DescriptionEriochrome black T indicator (C.I. 14645), 1% solid is a biochemical reagent that can be used as a biological material or organic compound for life science related research.
Related CatalogResearch Areas >>Others

Chemical & Physical Properties

Density1.109 g/mL at 25 °C
Molecular FormulaC20H12N3NaO7S
Molecular Weight461.38
Flash Point185 °C
Exact Mass461.029358
PSA176.58000
LogP6.23590
InChIKeyAMMWFYKTZVIRFN-UHFFFAOYSA-M
SMILESO=[N+]([O-])c1ccc2c(N=Nc3ccc4ccccc4c3O)c(O)cc(S(=O)(=O)[O-])c2c1.[Na+]
Storage conditionStore at RT.
Water Solubility50 g/L (20 ºC)

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 EquipmentEyeshields;Gloves;type N95 (US);type P1 (EN143) respirator filter
Hazard CodesXi:Irritant;
Risk PhrasesR36
Safety PhrasesS39-S26-S37/39
RIDADR3077
RTECSQK2197000
HS Code32041900

Customs

HS Code32041900

Articles27

More Articles
Inhibition of bacterial mevalonate diphosphate decarboxylase by eriochrome compounds.

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...

Silver staining method for DNA in polyacrylamide gels using eriochrome black T as a silver-ion sensitizer.

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...

Effect of Eriochrome Black T on the gelatinization of xyloglucan investigated using rheological measurement and release behavior of Eriochrome Black T from xyloglucan gel matrices.

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...

Synonyms

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

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