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CAS 632-69-9 | Rose Bengal sodium

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Common NameRose Bengal sodium
CAS Number632-69-9Molecular Weight1017.636
Density/Boiling Point757.8ºC at 760 mmHg
Molecular FormulaC20H2Cl4I4Na2O5Melting Point>300°C
MSDSChineseUSAFlash Point412.1ºC

Names

NameAcid Red 94
SynonymMore Synonyms

Rose Bengal sodium BiologicalActivity

DescriptionRose Bengal sodium is a crimson-coloured dye, and it is a synthetic fluorescein derivative with the principal component being 4,5,6,7-tetrachloro-2,4,5,7-tetraiodo fluorescein. Rose Bengal sodium has been widely used as an ophthalmic diagnostic agents, it can detect desiccated or damaged cells on the ocular surface. Rose Bengal sodium exhibits antiviral activities[1][2].
Related CatalogSignaling Pathways >>Anti-infection >>Influenza VirusResearch Areas >>Others
References

[1]. Doughty MJ, et, al. Fluorescence characteristics of sodium fluorescein-rose bengal ophthalmic solution mixtures. Cont Lens Anterior Eye. 2014 Oct; 37(5): 358-62.

[2]. Roat MI, et, al. The antiviral effects of rose bengal and fluorescein. Arch Ophthalmol. 1987 Oct; 105(10): 1415-7.

Chemical & Physical Properties

Boiling Point757.8ºC at 760 mmHg
Melting Point>300°C
Molecular FormulaC20H2Cl4I4Na2O5
Molecular Weight1017.636
Flash Point412.1ºC
Exact Mass1015.463013
PSA93.40000
LogP8.10410
InChIKeyKCQREHTWEUECQT-UHFFFAOYSA-L
SMILESO=C1OC2(c3cc(I)c([O-])c(I)c3Oc3c2cc(I)c([O-])c3I)c2c(Cl)c(Cl)c(Cl)c(Cl)c21.[Na+].[Na+]
Water Solubilitysoluble

Toxicological Information

CHEMICAL IDENTIFICATION

RTECS NUMBER :
LM5920000
CHEMICAL NAME :
Fluorescein, 4,5,6,7-tetrachloro-2',4',5',7'-tetraiodo-, disodium salt
CAS REGISTRY NUMBER :
632-69-9
LAST UPDATED :
199701
DATA ITEMS CITED :
5
MOLECULAR FORMULA :
C20-H2-Cl4-I4-O5.2Na
MOLECULAR WEIGHT :
1017.60

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
707 gm/kg/2Y-C
TOXIC EFFECTS :
Tumorigenic - neoplastic by RTECS criteria Endocrine - thyroid tumors
REFERENCE :
JJIND8 JNCI, Journal of the National Cancer Institute. (Washington, DC) V.61-79, 1978-87. For publisher information, see JNCIEQ. Volume(issue)/page/year: 77,277,1986 ** REPRODUCTIVE DATA **
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Oral
DOSE :
650 mg/kg
SEX/DURATION :
female 8-20 day(s) after conception
TOXIC EFFECTS :
Reproductive - Effects on Embryo or Fetus - fetotoxicity (except death, e.g., stunted fetus)
REFERENCE :
OYYAA2 Oyo Yakuri. Pharmacometrics. (Oyo Yakuri Kenkyukai, CPO Box 180, Sendai 980-91, Japan) V.1- 1967- Volume(issue)/page/year: 24,391,1982
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Oral
DOSE :
400 mg/kg
SEX/DURATION :
female 8-15 day(s) after conception
TOXIC EFFECTS :
Reproductive - Effects on Newborn - growth statistics (e.g.%, reduced weight gain)
REFERENCE :
OYYAA2 Oyo Yakuri. Pharmacometrics. (Oyo Yakuri Kenkyukai, CPO Box 180, Sendai 980-91, Japan) V.1- 1967- Volume(issue)/page/year: 24,391,1982
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Oral
DOSE :
20 gm/kg
SEX/DURATION :
female 8-15 day(s) after conception
TOXIC EFFECTS :
Reproductive - Effects on Newborn - weaning or lactation index (e.g., # alive at weaning per # alive at day 4)
REFERENCE :
OYYAA2 Oyo Yakuri. Pharmacometrics. (Oyo Yakuri Kenkyukai, CPO Box 180, Sendai 980-91, Japan) V.1- 1967- Volume(issue)/page/year: 24,391,1982

Safety Information

Personal Protective EquipmentEyeshields;Gloves;type N95 (US);type P1 (EN143) respirator filter
Hazard CodesXi:Irritant;
Risk PhrasesR36
Safety PhrasesS22-S24/25-S37/39-S26
RIDADRNONH for all modes of transport
WGK Germany3
RTECSLM5920000

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Synonyms

MFCD00151169
Food Red No. 105
LTE4 ELISA
r105sodium
benzoic acid, 2,3,4,5-tetrachloro-6-(6-hydroxy-2,4,5,7-tetraiodo-3-oxo-3H-xanthen-9-yl)-, disodium salt
disodium (3-oxo-6-oxido-2,4,5,7-tetraiodo-3H-xanthen-9-yl)-3,4,5,6-tetrachlorobenzoate
Benzoic acid, 2,3,4,5-tetrachloro-6-(6-hydroxy-2,4,5,7-tetraiodo-3-oxo-3H-xanthen-9-yl)-, sodium salt (1:2)
LTD4 ELISA
Bengal Rose
MDC ELISA
UNII:956575SN5L
LTB4 ELISA
Disodium 2,3,4,5-tetrachloro-6-(2,4,5,7-tetraiodo-6-oxido-3-oxo-3H-xanthen-9-yl)benzoate
LTC4 ELISA
CI Acid red 94
Rose Bengal Sodium Salt
Red no. 105
EINECS 211-182-8

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