Shanghai Nianxing Industrial Co., Ltd
China
Product Name: Palmitic acid
Price: Check
Purity: 98.0%
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Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: Hexamethylcyclotrisiloxane
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Purity: 98.0%
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Henan Tianfu Chemical Co., Ltd.
China
Product Name: Hexamethylcyclotrisiloxane
Price: $Inquiry/1kg $Inquiry/25kg $Inquiry/1000kg $Inquiry/10ton
Purity: 99.0%
Stocking Period: Inquiry
Contact: Anson
Email: info@tianfuchem.com

541-05-9

541-05-9 structure

541-05-9 structure

Name: hexamethylcyclotrisiloxane
Chemical Name: Hexamethylcyclotrisiloxane
CAS Number: 541-05-9
Molecular Formula: C₆H₁₈O₃Si₃
Molecular Weight: 222.462
Catalog: Organic raw materials Hydrocarbon compounds and their derivatives Cyclic hydrocarbon
Create Date: 2018-02-06 08:00:00
Modify Date: 2026-07-01 18:41:15

Name	Hexamethylcyclotrisiloxane
Synonyms	Dimethylsiloxane cyclic trimer HEXAMETHYLCYCLOTRISILOXANE D3 hexamethylcyclortrisiloxane HEXAMETHYLCYCLOHEXASILOXANE EINECS 208-765-4 Cyclotrisiloxane,2,2,4,4,6,6-hexamethyl HexaMethylcyclotrisiloxane, R Hexamethylcyclotrisiloxane> Hexamethylcyclotrisiloxane ISO 9001：2015 REACH 1,1,3,3,5,5-Hexamethylcyclotrisiloxane hexamethyl-cyclotrisiloxan DK813 D3 hexamethylcyclotrisiloxane 2,2,4,4,6,6-Hexamethyl-1,3,5-trioxa-2,4,6-trisilacyclohexane CYCLOTRISILOXANE CH7260 2,2,4,4,6,6-Hexamethyl-2,4,6-trisila-1,3,5-trioxacyclohexane Cyclotrisiloxane, hexamethyl SDK 10 2,2,4,4,6,6-Hexamethyl-1,3,5,2,4,6-trioxatrisilinane LS 8120 cyclohexamethyltrisiloxane DKFELEX0211 hexamethyl-cyclotrisiloxane DK327 Hexamethylcyclotrisiloxane in isooctane MFCD00005943 1,1,3,3,5,5-hexamethylcyclotrisiloxane 2,2,4,4,6,6-Hexamethylcyclohexanetrisiloxane hexamethyltrisiloxane Hexamethylcyclotrisi HEXAMETHYLCYCLOTRISILOXANE, -95 cyclotrisiloxane,hexamethyl

Density	0.9±0.1 g/cm3
Boiling Point	131.0±8.0 °C at 760 mmHg
Melting Point	50-64 °C(lit.)
Molecular Formula	C₆H₁₈O₃Si₃
Molecular Weight	222.462
Flash Point	26.4±18.8 °C
Exact Mass	222.056366
PSA	27.69000
LogP	2.15520
Vapour density	1 (vs air)
Vapour Pressure	11.6±0.2 mmHg at 25°C
Index of Refraction	1.418
Storage condition	Flammables area
Stability	Stable, but moisture sensitive. Incompatible with strong oxidizing agents. Highly flammable.
Water Solubility	may decompose

Symbol	GHS02
Signal Word	Danger
Hazard Statements	H228
Precautionary Statements	P210
Hazard Codes	F:Flammable
Risk Phrases	R11;R36/37/38
Safety Phrases	S26
RIDADR	UN 1325 4.1/PG 2
WGK Germany	3
Packaging Group	II
Hazard Class	4.1
HS Code	2931900001

Precursor 9
7732-18-5 75-78-5 87594-05-6 1066-42-8
84521-19-7 556-67-2 75-79-6 10026-04-7
18642-94-9
DownStream 10
107-50-6 556-67-2 541-02-6 540-97-6
141-62-8 107-52-8 3582-71-6 995-83-5
5895-30-7 5827-42-9

HS Code	2931900001
Summary	2931900001 2,2,4,4,6,6,8,8,10,10-decamethyl-1,3,5,7,9,2,4,6,8,10-pentaoxapentasilecane。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。Lowest tariff:6.5%。General tariff:30.0%

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