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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

Declaration: The products displayed on this website are intended exclusively for industrial applications or scientific research. They are not intended for medical, pharmaceutical, or food use. In accordance with applicable laws and regulations, purchasing organizations must hold valid qualifications and approvals.

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