15905-32-5

15905-32-5 structure

Name: Erythrosin B
Chemical Name: Erythrosin B
CAS Number: 15905-32-5
Molecular Formula: C₂₀H₈I₄O₅
Molecular Weight: 835.89200
Catalog: Biochemical Biochemical reagent Biological dye
Create Date: 2018-08-02 18:54:57
Modify Date: 2025-08-21 17:52:35

Name	Erythrosin B
Synonyms	MFCD00005044 Solvent Red 140 EINECS 240-046-0 Tetraiodofluorescein ERYTHROSIN B

Density	2.93 g/cm3
Boiling Point	628.3ºC at 760 mmHg
Melting Point	303ºC (dec.)(lit.)
Molecular Formula	C₂₀H₈I₄O₅
Molecular Weight	835.89200
Flash Point	333.8ºC
Exact Mass	835.65500
PSA	75.99000
LogP	6.08420
Vapour Pressure	2.22E-16mmHg at 25°C
Index of Refraction	1.972
Storage condition	Store at RT.
Water Solubility	spirit: soluble \| Soluble in water, spirit, methanol, methyl cellosolve and ethanol.

CHEMICAL IDENTIFICATION

RTECS NUMBER :: LM5940000

CHEMICAL NAME :: Fluorescein, 2',4',5',7'-tetraiodo-

CAS REGISTRY NUMBER :: 15905-32-5

BEILSTEIN REFERENCE NO. :: 0062817

LAST UPDATED :: 199701

DATA ITEMS CITED :: 4

MOLECULAR FORMULA :: C20-H8-I4-O5

MOLECULAR WEIGHT :: 835.88

WISWESSER LINE NOTATION :: T C666 BO EVJ DI FI IR BVQ& LI MQ NI

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 4 gm/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

REFERENCE :: JAPMA8 Journal of the American Pharmaceutical Association, Scientific Edition. (Washington, DC) V.29-49, 1940-60. For publisher information, see JPMSAE. Volume(issue)/page/year: 43,495,1954 *** U.S. STANDARDS AND REGULATIONS *** EPA FIFRA 1988 PESTICIDE SUBJECT TO REGISTRATION OR RE-REGISTRATION FEREAC Federal Register. (U.S. Government Printing Office, Supt. of Documents, Washington, DC 20402) V.1- 1936- Volume(issue)/page/year: 54,7740,1989 *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOHS - National Occupational Hazard Survey (1974) NOHS Hazard Code - 83361 No. of Facilities: 88 (estimated) No. of Industries: 2 No. of Occupations: 2 No. of Employees: 418 (estimated)

Personal Protective Equipment	Eyeshields;Gloves;type N95 (US);type P1 (EN143) respirator filter
Hazard Codes	Xn
Safety Phrases	22-24/25
RIDADR	NONH for all modes of transport
WGK Germany	2
RTECS	LM5940000
HS Code	2932999099

2321-07-5

~29%

56254-06-9

15905-32-5

Literature: US2008/61289 A1, ; Page/Page column 7 ;

2321-07-5

15905-32-5

Literature: DE108838 ; Fortschr. Teerfarbenfabr. Verw. Industriezweige, vol. 5, p. 216 Monit. scient., , vol. <3> 8, p. 372,1171 Jahresbericht ueber die Fortschritte der Chemie und Verwandter Theile Anderer Wissenschaften, , p. 1186 D., vol. 263, p. 258,106

64-17-5

2321-07-5

15905-32-5

Literature: DE692324 , ; Fortschr. Teerfarbenfabr. Verw. Industriezweige, vol. 25, p. 126

HS Code	2932999099
Summary	2932999099. other heterocyclic compounds with oxygen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

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