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1787-61-7

1787-61-7 structure
1787-61-7 structure
  • Name: Eriochrome Black T
  • Chemical Name: Eriochrome Black T
  • CAS Number: 1787-61-7
  • Molecular Formula: C20H12N3NaO7S
  • Molecular Weight: 461.38
  • Catalog: Dyes and pigments dye Acid Dyestuff
  • Create Date: 2018-06-14 18:31:09
  • Modify Date: 2024-01-02 10:36:19
  • 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.

Name Eriochrome Black T
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
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
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)

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
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
HS Code 32041900