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Toxicity data
Risk phrases
Safety phrases
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This information was last updated on August 15, 2006.
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for it. General
Synonyms: 4-methyl-7-(diethylamino)coumarin, MDAC, 7-diethylamino-4-methyl-chrome-N-2-one,
7-(diethylamino)-4-methyl-2H-1-benzopyran-2-one, aclarat 8678, blancophor AW, calcofluor white RW,
coumarin 1, coumarin 47, coumarin 460, fluorescent brightener 52, hakkol P, hiltamine artic white SOL, tinopal SWN,
uvitex WGS, whitefluor B,
whitex WS, various further trade names
Use: fluorescent agent, giving bright light blue fluorescence in
dilute solution; optical bleach, invisible marking agent
Molecular formula: C14H17NO2
CAS No: 91-44-1
EINECS No:
Physical data
Appearance: light tan powder
Melting point: 68 - 72 C
Boiling point:
Vapour density:
Vapour pressure:
Density (g cm-3):
Flash point:
Explosion limits:
Autoignition temperature:
Water solubility: slight (hot)
Stability
Stable. Incompatible with strong oxidizing agents.
Toxicology
Harmful if swallowed or absorbed through the skin. Skin, respiratory
and eye irritant.
(The meaning of any toxicological abbreviations which
appear in this section is given
here.)
ORL-RAT LD50 5000 mg kg-1
ORL-MUS LD50 1780 mg kg-1
(The meaning of any risk phrases which appear in this section is
given
here.)
R20 R21 R36 R37 R38.
Transport information
(The meaning of any UN hazard codes which appear in this section
is given
here.)
Non-hazardous for air, sea and road freight.
Personal protection
Minimize exposure.
(The meaning of any safety phrases which appear in this section
is given here.)