n-Heneicosane (CAS 629-94-7) — formula C21H44, molecular weight 296.6; category organic chemicals.
n-Heneicosane (CAS 629-94-7) is a chemical raw material in the organic chemicals category. Its molecular formula C21H44 comprises 21 C, 44 H atoms. Its molecular weight is about 296.6. Reported physicochemical data: melting point around 104.9 °F (NTP, 1992), boiling point around 673.7 °F at 760 mmHg (NTP, 1992), LogP about 11. As a sourcing and distribution partner we help locate and compare this item across domestic and cross-border channels, arranging samples and batch orders with full COA and compliance files.
| CAS Number | 629-94-7 |
|---|---|
| Molecular Formula | C21H44 |
| Molecular Weight | 296.6 |
| Melting Point | 104.9 °F (NTP, 1992) |
| Boiling Point | 673.7 °F at 760 mmHg (NTP, 1992) |
| LogP | 11 |
| Applications | They are used mainly in applications for which isoalkanes are not acceptable for biological reasons, e.g, the production of detergents or proteins. /Higher n-Alkanes/, Solid n-alkanes (paraffin waxes) are used in a variety of applications, oxidation, and chlorination reactions. /Higher n-Alkanes/ |
| Category | Organic Chemicals |
Documented applications: They are used mainly in applications for which isoalkanes are not acceptable for biological reasons, e.g, the production of detergents or proteins. /Higher n-Alkanes/, Solid n-alkanes (paraffin waxes) are used in a variety of applications, oxidation, and chlorination reactions. /Higher n-Alkanes/.
n-Heneicosane is a carbon-based organic compound with CAS registry number 629-94-7 and molecular formula C21H44 (molecular weight 296.6), belonging to the organic chemicals segment of chemical raw materials.
CAS number: 629-94-7
Its molecular formula C21H44 comprises 21 C, 44 H atoms.
Also known as: n-Heneicosane · 正二十烷
Category: organic chemicals
The CAS registry number of n-Heneicosane is 629-94-7.
Molecular formula C21H44, molecular weight 296.6.
It is also registered under: n-Heneicosane, 正二十烷.
Recorded applications: They are used mainly in applications for which isoalkanes are not acceptable for biological reasons, e.g, the production of detergents or proteins. /Higher n-Alkanes/, Solid n-alkanes (paraffin waxes) are used in a variety of applications, oxidation, and chlorination reactions. /Higher n-Alkanes/.
Category: Organic Chemicals.
Packaging is agreed per order, from lab-scale packs to bulk, and confirmed with each order rather than fixed on the page. A Certificate of Analysis (COA) ships with every batch and MSDS is available; where the end use carries a regulatory limit (food contact, pharmaceutical or cosmetic), state the standard at enquiry and the grade is set against it.
Independent reference data for n-Heneicosane (CAS 629-94-7), compiled from public chemistry databases.
| CAS Registry Number | 629-94-7 |
|---|---|
| PubChem CID | 12403 |
| Molecular formula | C21H44 |
| IUPAC name | henicosane |
| UNII (FDA) | I93S5U5DMP |
| Molecular Weight | 296.6 |
|---|---|
| XLogP3 | 11 |
| Hydrogen Bond Donor Count | 0 |
| Hydrogen Bond Acceptor Count | 0 |
| Rotatable Bond Count | 18 |
| Exact Mass | 296.344301404 |
| Monoisotopic Mass | 296.344301404 |
| Topological Polar Surface Area | 0 |
| Heavy Atom Count | 21 |
| Boiling Point | 673.7 °F at 760 mmHg (NTP, 1992) |
|---|---|
| Boiling Point | 359 °C |
| Melting Point | 104.9 °F (NTP, 1992) |
| Melting Point | 40.4 °C |
| Flash Point | 113 °C (235 °F) - closed cup |
| Density | 0.7919 g/cu cm at 20 °C |
HENEICOSANE; n-Heneicosane; Henicosane; 629-94-7; I93S5U5DMP; DTXSID9047097; CHEBI:32931; RefChem:38740; DTXCID7027097; 211-118-9; MFCD00009346; UNII-I93S5U5DMP; Heneicosane, analytical standard; CH3-[CH2]19-CH3; HY-W089845; H0367
| GHS notification summary | 97.9% (94 / 96) |
|---|
| GHS notification summary | 97.9% (94 / 96) |
|---|
This chemical does not meet GHS hazard criteria for 97.9% (94 of 96) of all reports.
Reported as not meeting GHS hazard criteria by 94 of 96 companies (only 2.1% companies provided GHS information). For more detailed information, please visit ECHA C&L website.
n-Heneicosane · CAS 629-94-7 · C21H44. UNII I93S5U5DMP. Boiling Point: 673.7 °F at 760 mmHg (NTP, 1992); Boiling Point: 359 °C; Melting Point: 104.9 °F (NTP, 1992).
Source: PubChem / Wikidata; the batch COA governs where values differ.
Supplier: Jinan Shenghe Chemical Co., Ltd.
中文页面: 正二十烷