Shanghai Nianxing Industrial Co., Ltd
China
Product Name: chlorodimethyloctadecylsilane
Price: Check
Purity: 98.0%
Stocking Period: 10 Day
Contact: Yang
Email: sales@echemcloud.com

Hubei Changfu Chemical Co., Ltd.
China
Product Name: chlorodimethyloctadecylsilane
Price: ￥Inquiry/1000kg ￥Inquiry/1kg ￥Inquiry/500g ￥Inquiry/100g
Purity: 98.0%
Stocking Period: Inquiry
Contact: Alex
Email: sales@cfsilanes.com

Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: (Chloro)dimethyloctadecylsilane
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Stocking Period: Inquiry
Contact: Ms Wang
Email: enquiry@dycnchem.com

Chainpharm Limited
China
Product Name: chlorodimethyloctadecylsilane
Price: ￥Inquiry/1g ￥Inquiry/10g ￥Inquiry/100g ￥Inquiry/1kg
Purity: 97.0%
Stocking Period: 14 Day
Contact: Sales Department
Email: sales@chainpharm.com

18643-08-8

18643-08-8 structure

Name: chlorodimethyloctadecylsilane
Chemical Name: chloro-dimethyl-octadecylsilane
CAS Number: 18643-08-8
Molecular Formula: C₂₀H₄₃ClSi
Molecular Weight: 347.094
Catalog: Chemical reagent Organic reagent Silane
Create Date: 2018-06-05 08:00:00
Modify Date: 2025-08-21 17:43:56

Name	chloro-dimethyl-octadecylsilane
Synonyms	n-octadecyldimethylsilyl chloride Chloro(dimethyl)octadecylsilane octadecyldimethylchlorosilane MFCD00000504 Chlorodimethyl(octadecyl)silane EINECS 242-472-2 Silane, chlorodimethyloctadecyl- Chlorodimethyl-n-octadecylsilane n-octadecyldimethylmonochlorsilane Stearyldimethylchlorosilane Silane,chlorodimethyloctadecyl Dimethyloctadecylsilyl chloride dimethyl-n-octadecylchlorosilane chlorodimethyloctadecylsilane DiMethyloctadecylchlorosilane n-Octadecyldimethylchlorosilane n-Octadecyl Dimethyl Chlorosilane

Density	0.9±0.1 g/cm3
Boiling Point	395.7±11.0 °C at 760 mmHg
Melting Point	28-31 °C
Molecular Formula	C₂₀H₄₃ClSi
Molecular Weight	347.094
Flash Point	209.6±8.8 °C
Exact Mass	346.282257
LogP	11.21
Vapour Pressure	0.0±0.9 mmHg at 25°C
Index of Refraction	1.446

Symbol	GHS02, GHS05, GHS07, GHS08
Signal Word	Danger
Hazard Statements	H225-H304-H314-H336-H361d-H373
Precautionary Statements	P210-P261-P280-P301 + P310-P305 + P351 + P338-P310
Personal Protective Equipment	Faceshields;full-face respirator (US);Gloves;Goggles;multi-purpose combination respirator cartridge (US);type ABEK (EN14387) respirator filter
Hazard Codes	C: Corrosive;F: Flammable;
Risk Phrases	R34
Safety Phrases	S26-S36/37/39-S45-S62
RIDADR	UN 2987 8/PG 2
WGK Germany	2
Packaging Group	III
Hazard Class	8
HS Code	2931900090

75-44-5

75-77-4

58626-12-3

107-06-2

~86%

Detail

Literature: Sumitomo Chemical Company, Limited Patent: US4780556 A1, 1988 ;

1066-35-9

112-88-9

~84%

18643-08-8

Literature: Szabo, Katalin; Le Ha, Ngoc; Schneider, Philippe; Zeltner, Peter; sz. Kovacs, Ervin Helvetica Chimica Acta, 1984 , vol. 67, p. 2128 - 2142

75-78-5

112-89-0

18643-08-8

Literature: Helvetica Chimica Acta, , vol. 59, p. 717 - 727

Precursor 8
75-44-5 75-77-4 58626-12-3 107-06-2
1066-35-9 112-88-9 75-78-5 112-89-0
DownStream 4
80054-55-3 58626-12-3 639066-09-4 639066-10-7

HS Code	2931900090
Summary	2931900090. other organo-inorganic compounds. VAT:17.0%. Tax rebate rate:13.0%. Supervision conditions:AB(certificate of inspection for goods inward,certificate of inspection for goods outward). MFN tariff:6.5%. General tariff:30.0%

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