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(3-Mercaptopropyl)trimethoxysilane cas no:4420-74-0

Synonyms: 3-(Trimethoxysilyl)propanethiol; DYNASYLAN MTMO; γ-Mercaptopropyltrimethoxysilane; Silane Coupling Agent KH-580; Silane Coupling Agent A-189; 3-Mercaptopropyltrimethoxysilane; 3-Mecaptopropyltrimethoxysilane

Identification
Name(3-Mercaptopropyl)trimethoxysilane
CAS4420-74-0
Synonyms3-(Trimethoxysilyl)propanethiol; DYNASYLAN MTMO; γ-Mercaptopropyltrimethoxysilane; Silane Coupling Agent KH-580; Silane Coupling Agent A-189; 3-Mercaptopropyltrimethoxysilane; 3-Mecaptopropyltrimethoxysilane
EINECS(EC#)224-588-5
Molecular FormulaC6H16O3SSi
Molecular Weight196.34
Chemical Properties
AppearanceWater white to light straw liquid clear liquid
refractive index1.441-1.443
storage temp2-8°C
Sensitive Air & Moisture Sensitive
Globally Harmonized System of Classification adn Labelling of Chemicals(GHS)
Hazardclass9
Safety Data

Hazard Xn:Harmful
Risk R22;R43;R51/53
Safety

Safety Information about Trimethoxysilylpropanethiol (CAS NO.4420-74-0):
Hazard Codes:?HarmfulXn,DangerousN
Risk Statements: 22-43-51/53
R22: Harmful if swallowed.?
R43: May cause sensitization by skin contact.?
R51/53: Toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment.
Safety Statements: 24/25-36/37-61-57
S24/25: Avoid contact with skin and eyes.?
S36/37: Wear suitable protective clothing and gloves.?
S57: Use appropriate container to avoid environmental contamination.?
S61: Avoid release to the environment. Refer to special instructions / safety data sheets.
RIDADR: UN 3082 9/PG 3
WGK Germany: 2
RTECS: TZ7800000
F: 1-10-13
TSCA: Yes
HazardClass: 9
PackingGroup: III
HS Code: 29310095
Moderately toxic by ingestion and intraperitoneal routes. Mildly toxic by skin contact. A skin irritant. When heated to decomposition it emits toxic fumes of SOx. See also MERCAPTANS and SILANE.


HS Code 29310095

Toxicity

Organism Test Type Route Reported Dose (Normalized Dose) Effect Source
mouse LD50 intraperitoneal 633mg/kg (633mg/kg) ? Doklady Akademii Nauk SSSR. Proceedings of the Academy of Sciences of the USSR. For English translation, see DBIOAM and DKBSAS. Vol. 229, Pg. 1011, 1976.
rabbit LD50 skin 2140uL/kg (2.14mL/kg) ? Journal of Toxicology, Cutaneous and Ocular Toxicology. Vol. 15, Pg. 261, 1996.
rat LD50 oral 730uL/kg (0.73mL/kg) ? Journal of Toxicology, Cutaneous and Ocular Toxicology. Vol. 15, Pg. 261, 1996.

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