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Name Triclosan
CAS 3380-34-5
EINECS(EC#) 222-182-2
Molecular Formula C12H7Cl3O2
MDL Number MFCD00800992
Molecular Weight 289.54
MOL File 3380-34-5.mol

Chemical Properties

Appearance Solid
Melting point  56-60 °C(lit.)
mp  56-60 °C(lit.)
Boiling point  290°C(lit.)
density  1.4214 (rough estimate)
refractive index  1.4521 (estimate)
storage temp.  2-8°C
solubility  H2O: soluble12g/L at 20°C
form  Solid
pka 7.9(at 25℃)
color  colorless or white
Stability: Stable. Incompatible with strong oxidizing agents.
Water Solubility  Soluble in ethanol, methanol, diethyl ether and sodium hydroxide solution (1M). Slightly soluble in water.
Merck  14,9657
BRN  2057142

triclosan is a preservative considered to have a low sensitizing potential in leave-on preparations.

CAS DataBase Reference 3380-34-5(CAS DataBase Reference)
NIST Chemistry Reference Triclosan(3380-34-5)
EPA Substance Registry System 3380-34-5(EPA Substance)

Safety Data

Hazard Codes  Xi,N
Risk Statements 

R36/38:Irritating to eyes and skin .
R50/53:Very Toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment .
R36/37/38:Irritating to eyes, respiratory system and skin .

Safety Statements 

S26:In case of contact with eyes, rinse immediately with plenty of water and seek medical advice .
S39:Wear eye/face protection .
S46:If swallowed, seek medical advice immediately and show this container or label .
S60:This material and/or its container must be disposed of as hazardous waste .
S61:Avoid release to the environment. Refer to special instructions safety data sheet .
S24/25:Avoid contact with skin and eyes .
S22:Do not breathe dust .
S36:Wear suitable protective clothing .

RIDADR  UN 3077 9/PG 3
WGK Germany  2
RTECS  KO1100000
HazardClass  9
PackingGroup  III
HS Code  29095000
Hazardous Substances Data 3380-34-5(Hazardous Substances Data)

LD50 orl-rat: 3700 mg/kg 26UZAB 6,245,68/70

Hazard Information

Questions And Answer