Cas no 1873-88-7 (Heptamethyltrisiloxane)
Heptamethyltrisiloxane structure
Product Name:Heptamethyltrisiloxane
CAS No:1873-88-7
MF:C7H21O2Si3
MW:221.496945142746
MDL:MFCD00048000
CID:42112
PubChem ID:24863086
Update Time:2025-04-18
Heptamethyltrisiloxane Chemical and Physical Properties
Names and Identifiers
-
- 1,1,1,3,5,5,5-Heptamethyltrisiloxane
- Heptamethyltrisiloxane, commercial grade (40M40)
- Bis(trimethylsiloxy)methylsilane
- Methylbis(Trimethylsilyloxy)Silane
- Heptamethyltrisiloxane
- methyl-bis(trimethylsilyloxy)silicon
- H-307 Heptamethyltrisiloxane
- (Me3SiO)2MeSiH
- (TMSO)2MeSi
- 1,1,1,3,5,5,5-Heptamethyltrisiloxane(Bis(trimethylsiloxy)methylsilane)
- HSi(OSiMe3)2Me
- HSi(OSMe3)2Me
- HSi(OTMS)2Me
- MDHM
- Methylpolysilicone
- Trisiloxane,1,1,1,3,5,5,5-heptamethyl
- Bis(trimethylsiloxy)
- 40M40,commercialgrade
- 3H-Heptamethyltrisiloxane
- Methylbis(trimethylsiloxy)silane
- 1,1,1,3,5,5,5-heptamethyl-trisiloxan
- Bis-(trimethylsilyloxy)-methylsilane
- 40M25)
- Trisiloxane, 1,1,1,3,5,5,5-heptamethyl-
- RVY9659R8C
- DSSTox_CID_18795
- Methicone (20 CST)
- Methicone
- Kf 99
- DSSTox_RID_82383
- DSSTox_RID_79394
- DSSTox_GSID_47501
- DSSTox_GSID_38795
- Poly methyl hydrogen siloxane
- di(trimethyls
- H1267
- SCHEMBL41518
- CHEMBL3988892
- NCGC00254970-01
- NCGC00256718-01
- 1873-88-7
- heptamethyl trisiloxane
- Tox21_302481
- CAS-1873-88-7
- 2,2,4,6,6-pentamethyl-3,5-dioxa-2,4,6-trisilaheptan-4-yl
- Trisiloxane, 1,1,1,3,5,5,5-heptamethyl-,
- HEPTAMETHYL TRISILOXANE [USP-RS]
- di(trimethylsiloxy)methylsilane
- CAS-9004-73-3
- SWGZAKPJNWCPRY-UHFFFAOYSA-N
- MFCD00048000
- AKOS015840182
- EC 217-496-1
- S09300
- Tox21_301069
- UNII-RVY9659R8C
- Hptso//Heptamethyltrisiloxane
- 26403-67-8
- BS-15733
- DTXCID9018795
- NCGC00248277-01
- CS-W014234
- DB-018681
- SIB-1844
- EINECS 217-496-1
- DTXSID1038795
- HEPTAMETHYL TRISILOXANE (USP-RS)
- 217-496-1
-
- MDL： MFCD00048000
- Inchi： 1S/C7H21O2Si3/c1-10(8-11(2,3)4)9-12(5,6)7/h1-7H3
- InChI Key： SWGZAKPJNWCPRY-UHFFFAOYSA-N
- SMILES： [Si](C)(C)(C)O[Si](C)O[Si](C)(C)C |^1:5|
Computed Properties
- Exact Mass: 222.09300
- Monoisotopic Mass: 221.084935
- Isotope Atom Count: 0
- Hydrogen Bond Donor Count: 0
- Hydrogen Bond Acceptor Count: 2
- Heavy Atom Count: 12
- Rotatable Bond Count: 4
- Complexity: 121
- Covalently-Bonded Unit Count: 1
- Defined Atom Stereocenter Count: 0
- Undefined Atom Stereocenter Count : 0
- Defined Bond Stereocenter Count: 0
- Undefined Bond Stereocenter Count: 0
- Surface Charge: 0
- Topological Polar Surface Area: 18.5
Experimental Properties
- Color/Form: Not determined
- Density: 0.819?g/mL?at 25?°C(lit.)
- Melting Point: <0°C
- Boiling Point: 142?°C(lit.)
- Flash Point: Fahrenheit: 71.6 ° f
Celsius: 22 ° c - Refractive Index: n20/D 1.382(lit.)
- Solubility: Miscible with acetone, ethanol, diethyl ether. Insoluble in water.
- Water Partition Coefficient: Miscible with acetone, ethanol, diethyl ether. Insoluble in water.
- Stability/Shelf Life: Stable. Flammable. Incompatible with strong oxidizing agents.
- PSA: 18.46000
- LogP: 2.53970
- Sensitiveness: Sensitive to humidity
- Solubility: Not determined
- Vapor Pressure: 2.7±0.3 mmHg at 25°C
Heptamethyltrisiloxane Security Information
-
Symbol:
- Prompt：dangerous
- Signal Word：Danger
- Hazard Statement： H225-H315-H319
- Warning Statement： P210-P233-P240-P241+P242+P243-P264-P280-P302+P352+P332+P313+P362+P364-P305+P351+P338+P337+P313-P370+P378-P403+P235-P501
- Hazardous Material transportation number：UN 1993 3/PG 2
- WGK Germany：3
- Hazard Category Code： 10-36/37/38
- Safety Instruction： S26-S36
- FLUKA BRAND F CODES：10-21
-
Hazardous Material Identification：
- HazardClass：3
- PackingGroup：II
- TSCA：Yes
- Risk Phrases：R10; R36/37/38
- Safety Term：S26;S36
- Storage Condition：Argon filled storage
Heptamethyltrisiloxane Customs Data
- HS CODE：2934999090
- Customs Data：
China Customs Code:
2934999090Overview:
2934999090. Other heterocyclic compounds. VAT:17.0%. Tax refund rate:13.0%. Regulatory conditions:nothing. MFN tariff:6.5%. general tariff:20.0%
Declaration elements:
Product Name, component content, use to
Summary:
2934999090. other heterocyclic compounds. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%
Heptamethyltrisiloxane Pricemore >>
| Related Categories | No. | Product Name | Cas No. | Purity | Specification | Price | update time | Inquiry |
|---|---|---|---|---|---|---|---|---|
| SHANG HAI A LA DING SHENG HUA KE JI GU FEN Co., Ltd. | H138408-100ml |
Heptamethyltrisiloxane |
1873-88-7 | ≥98.0%(GC) | 100ml |
￥76.90 | 2023-09-02 | |
| SHANG HAI A LA DING SHENG HUA KE JI GU FEN Co., Ltd. | H138408-1L |
Heptamethyltrisiloxane |
1873-88-7 | ≥98.0%(GC) | 1l |
￥388.90 | 2023-09-02 | |
| SHANG HAI A LA DING SHENG HUA KE JI GU FEN Co., Ltd. | H138408-250ml |
Heptamethyltrisiloxane |
1873-88-7 | ≥98.0%(GC) | 250ml |
￥152.90 | 2023-09-02 | |
| SHANG HAI A LA DING SHENG HUA KE JI GU FEN Co., Ltd. | H138408-25ml |
Heptamethyltrisiloxane |
1873-88-7 | ≥98.0%(GC) | 25ml |
￥29.90 | 2023-09-02 | |
| SHANG HAI A LA DING SHENG HUA KE JI GU FEN Co., Ltd. | H138408-500ml |
Heptamethyltrisiloxane |
1873-88-7 | ≥98.0%(GC) | 500ml |
￥243.90 | 2023-09-02 | |
| SHANG HAI A LA DING SHENG HUA KE JI GU FEN Co., Ltd. | H138408-50ml |
Heptamethyltrisiloxane |
1873-88-7 | ≥98.0%(GC) | 50ml |
￥47.90 | 2023-09-02 | |
| TI XI AI ( SHANG HAI ) HUA CHENG GONG YE FA ZHAN Co., Ltd. | H1267-250ML |
1,1,1,3,5,5,5-Heptamethyltrisiloxane |
1873-88-7 | >98.0%(GC) | 250ml |
￥1590.00 | 2023-09-07 | |
| Fluorochem | S02350-25ml |
Bis(trimethylsiloxy)methylsilane |
1873-88-7 | 95% | 25ml |
￡16.00 | 2022-02-28 | |
| Fluorochem | S02350-100ml |
Bis(trimethylsiloxy)methylsilane |
1873-88-7 | 95% | 100ml |
￡48.00 | 2022-02-28 | |
| Fluorochem | S02350-250ml |
Bis(trimethylsiloxy)methylsilane |
1873-88-7 | 95% | 250ml |
￡155.00 | 2022-02-28 |
Heptamethyltrisiloxane Suppliers
Suzhou Senfeida Chemical Co., Ltd
Gold Member
Audited Supplier
(CAS:1873-88-7)1,1,1,3,5,5,5-Heptamethyltrisiloxane
Order Number:sfd19119
Stock Status:in Stock
Quantity:200kg
Purity:99.9%
Pricing Information Last Updated:Friday, 19 July 2024 14:38
Price ($):discuss personally
Email:[email protected]
Amadis Chemical Company Limited
Gold Member
Audited Supplier
(CAS:1873-88-7)Heptamethyltrisiloxane
Order Number:A1199561
Stock Status:in Stock
Quantity:500g
Purity:99%
Pricing Information Last Updated:Friday, 30 August 2024 02:40
Price ($):239.0
Email:[email protected]
Tiancheng Chemical (Jiangsu) Co., Ltd
Gold Member
Audited Supplier
(CAS:1873-88-7)1,1,1,3,5,5,5-Heptamethyltrisiloxane
Order Number:LE18969;LE5388
Stock Status:in Stock
Quantity:25KG,200KG,1000KG
Purity:99%
Pricing Information Last Updated:Friday, 20 June 2025 12:20
Price ($):discuss personally
Email:[email protected]
Heptamethyltrisiloxane Related Literature
-
Abdelaziz Houmam,Emad M. Hamed Chem. Commun., 2012,48, 11328-11330
-
Yaling Zhang,Chunhui Dai,Shiwei Zhou,Bin Liu Chem. Commun., 2018,54, 10092-10095
-
Norihito Fukui,Keisuke Fujimoto,Hideki Yorimitsu,Atsuhiro Osuka Dalton Trans., 2017,46, 13322-13341
-
Xinhuan Wang,Shuangfei Cai,Cui Qi Analyst, 2017,142, 2500-2506
-
Yong Ping Huang,Tao Tao,Zheng Chen,Wei Han,Ying Wu,Chunjiang Kuang,Shaoxiong Zhou,Ying Chen J. Mater. Chem. A, 2014,2, 18831-18837
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