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23491-45-4

Name Hoechst 33258
CAS 23491-45-4
EINECS(EC#) 245-690-6
Molecular Formula C25H27Cl3N6O
MDL Number MFCD00012679
Molecular Weight 533.88
MOL File 23491-45-4.mol
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Chemical Properties

Appearance yellow to yellow-green powder
Melting point  314 °C
density  1.5099 (rough estimate)
refractive index  1.6300 (estimate)
storage temp.  2-8°C
solubility  H2O: 10 mg/mL
form  powder
color  Yellow to Very Dark Yellow
Water Solubility  SOLUBLE
BRN  4088183
Stability: Hygroscopic
CAS DataBase Reference 23491-45-4(CAS DataBase Reference)
EPA Substance Registry System 23491-45-4(EPA Substance)

Safety Data

Hazard Codes  Xn
Risk Statements 
R22:Harmful if swallowed.
R36/38:Irritating to eyes and skin .
R36/37/38:Irritating to eyes, respiratory system and skin .
R20/21/22:Harmful by inhalation, in contact with skin and if swallowed .
Safety Statements 
S26:In case of contact with eyes, rinse immediately with plenty of water and seek medical advice .
S36:Wear suitable protective clothing .
S24/25:Avoid contact with skin and eyes .
S23:Do not breathe gas/fumes/vapor/spray (appropriate wording to be specified by the manufacturer) .
WGK Germany  3
RTECS  SM1140500
F  3-8-10
HS Code  32129000
Toxicity
dog,LD,intravenous,> 22400ug/kg (22.4mg/kg),LUNGS, THORAX, OR RESPIRATION: DYSPNEASENSE ORGANS AND SPECIAL SENSES: LACRIMATION: EYEGASTROINTESTINAL: CHANGES IN STRUCTURE OR FUNCTION OF SALIVARY GLANDS,National Technical Information Service. Vol. PB84-171206,

Hazard Information

Material Safety Data Sheet(MSDS)

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