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Triclosan CAS#3380-34-5

CAS Number: 3380-34-5

Chemical Formula: C12H7Cl3O2

Synonyms:

2,4,4-trichloro-2-hydroxydiphenylether(irgasandp-300);

2’-hydroxy-2,4,4’-trichloro-phenylethe

TROX-100

Appearance: White to off-white powder

HS Code: 29095000

MOQ (Minimum Order Quantity): 1 FCL (Full Container Load)

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Product Details

Products Description of Triclosan CAS#3380-34-5

Triclosan Properties: 1. Appearance: White crystalline powder (faint floral/phenolic odor); 2. Solubility: Slightly soluble in water, moderately in dilute alkalis, soluble in ethanol/acetone, and form transparent concentrates with surfactants; 3. Stability: Excellent storage stability—no rapid decomposition below 280–290℃, 2% active decomposition at 200℃/14h, slight UV decomposition, acid/alkali-stable solution; 4. Volatility: Very low (faint floral scent).

Parameters

Melting point	56-60 °C(lit.)
Boiling point	290°C(lit.)
density	1.4214 (rough estimate)
vapor pressure	0.001Pa at 25℃
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	White to off-white
biological source	synthetic
Water Solubility	Soluble in ethanol, methanol, diethyl ether and sodium hydroxide solution (1M). Slightly soluble in water.
Merck	14,9657
BRN	2057142
Stability:	Stable. Incompatible with strong oxidizing agents.
InChIKey	XEFQLINVKFYRCS-UHFFFAOYSA-N
LogP	4.9 at 20℃
CAS DataBase Reference	3380-34-5(CAS DataBase Reference)
NIST Chemistry Reference	Triclosan(3380-34-5)
EPA Substance Registry System	Triclosan (3380-34-5)

Safety Information

Hazard Codes	Xi,N
Risk Statements	36/38-50/53-36/37/38
Safety Statements	26-39-46-60-61-24/25-22-36
RIDADR	UN 3077 9/PG 3
WGK Germany	2
RTECS	KO1100000
TSCA	Yes
HazardClass	9
PackingGroup	III
HS Code	29095000
Hazardous Substances Data	3380-34-5(Hazardous Substances Data)
Toxicity	LD50 orl-rat: 3700 mg/kg 26UZAB 6,245,68/70

Product Application of Triclosan CAS#3380-34-5

Cosmetics and personal care (for limited use only): Compliant toothpaste (≤ 0.3%, toothpaste for children under 3 years old is prohibited), antibacterial soap, hand sanitizer, deodorant products; Cosmetics for long-term use in China, shampoos are prohibited from containing these ingredients.

Medical disinfection: Medical disinfectant gel, instrument disinfection, wound antibacterial dressings.

Industrial anti-corrosion: Antibacterial plastics, antibacterial textile fabrics, coatings, water-based anti-corrosion systems.

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