CAS 1787-61-7|Eriochrome Black T

Introduction：Basic information about CAS 1787-61-7|Eriochrome Black T, including its chemical name, molecular formula, synonyms, physicochemical properties, and safety information, etc.

Table of Contents

1. Names
2. Eriochrome Black T BiologicalActivity
3. Chemical & Physical Properties
4. Toxicological Information
CHEMICAL IDENTIFICATION
HEALTH HAZARD DATA
ACUTE TOXICITY DATA
5. Safety Information
6. Customs
7. Articles27
8. Synonyms

Common Name	Eriochrome Black T
CAS Number	1787-61-7	Molecular Weight	461.38
Density	1.109 g/mL at 25 °C	Boiling Point	/
Molecular Formula	C₂₀H₁₂N₃NaO₇S	Melting Point	/
MSDS	ChineseUSA	Flash Point	185 °C

Names

Name	Eriochrome Black T
Synonym	More Synonyms

Eriochrome Black T BiologicalActivity

Description	Eriochrome 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 Catalog	Research Areas >>Others

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
InChIKey	AMMWFYKTZVIRFN-UHFFFAOYSA-M
SMILES	O=[N+]([O-])c1ccc2c(N=Nc3ccc4ccccc4c3O)c(O)cc(S(=O)(=O)[O-])c2c1.[Na+]
Storage condition	Store at RT.
Water Solubility	50 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 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

Articles27

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

Recommended......