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Spiro[isobenzofuran-1(3H),9'-[9H]xanthen]-3-one,4',5'-dibromo-3',6'-dihydroxy- cas no:596-03-2

Synonyms: Fluorescein,4',5'-dibromo- (6CI,8CI); 4',5'-Dibromofluorescein; C.I. 45370:1; C.I. SolventRed 72; D & C Orange 5; D and C Orange No. 5; D&C Orange No. 5; Eosinicacid; Japan Orange 201; Japan Orange No. 201; Orange No. 201; Solvent Red 72

Identification
NameSpiro[isobenzofuran-1(3H),9'-[9H]xanthen]-3-one,4',5'-dibromo-3',6'-dihydroxy-
CAS596-03-2
SynonymsFluorescein,4',5'-dibromo- (6CI,8CI); 4',5'-Dibromofluorescein; C.I. 45370:1; C.I. SolventRed 72; D & C Orange 5; D and C Orange No. 5; D&C Orange No. 5; Eosinicacid; Japan Orange 201; Japan Orange No. 201; Orange No. 201; Solvent Red 72
EINECS(EC#)209-876-0
Molecular FormulaC20H10 Br2 O5
Molecular Weight490.0984
Chemical Properties
AppearanceOrange Powder.
refractive index1.771
Safety Data

Hazard Xi: Irritant;
Risk R36
Safety

Experimental reproductive effects. Mutation data reported. When heated to decomposition it emits toxic fumes of Br.
Hazard Codes:  Xi,
Xi:  Irritant 
T:  Toxic
Risk Statements:  36-25-36/37/38 
25:  Toxic if swallowed
36:  Irritating to the eyes
36/37/38:  Irritating to eyes, respiratory system and skin
Safety Statements:  22-24/25-45-36-26 
22:  Do not breathe dust
26:  In case of contact with eyes, rinse immediately with plenty of water and seek medical advice
36:  Wear suitable protective clothing
45:  In case of accident or if you feel unwell, seek medical advice immediately (show label where possible)
24/25:  Avoid contact with skin and eyes


Toxicity
1.    

mmo-sat 100 ng/plate

    ENMUDM    Environmental Mutagenesis. 1 (1979),116.
2.    

orl-rat TDLo:15,556 mg/kg/21D-C

    TRENAF    Kenkyu Nenpo-Tokyo-toritsu Eisei Kenkyusho. Annual Report of Tokyo Metropolitan Research Laboratory of Public Health. 27 (1976),145.

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