1,5-Pentanediol (CAS 111-29-5) — formula C5H12O2, molecular weight 104.15; category organic chemicals.
1,5-Pentanediol (CAS 111-29-5) is a chemical raw material in the organic chemicals category. Its molecular formula C5H12O2 comprises 5 C, 12 H, 2 O atoms. Its molecular weight is about 104.15. Reported physicochemical data: melting point around -18 °C, boiling point around 240 °C, LogP about -0.43. 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 | 111-29-5 |
|---|---|
| Molecular Formula | C5H12O2 |
| Molecular Weight | 104.15 |
| Melting Point | -18 °C |
| Boiling Point | 240 °C |
| LogP | -0.43 |
| Applications | CIR ingredient: 1, 5-Pentanediol, plasticizer and brake fluid additive, Also used to make polyesters for emulsifying agents and resin intermediates, For 1, 5-pentanediol (USEPA/OPP Pesticide Code: 690202) there are 0 labels match. /SRP: Not registered for current use in the U.S |
| Category | Organic Chemicals |
Documented applications: CIR ingredient: 1, 5-Pentanediol, plasticizer and brake fluid additive, Also used to make polyesters for emulsifying agents and resin intermediates, For 1, 5-pentanediol (USEPA/OPP Pesticide Code: 690202) there are 0 labels match. /SRP: Not registered for current use in the U.S.
1,5-Pentanediol is a carbon-based organic compound with CAS registry number 111-29-5 and molecular formula C5H12O2 (molecular weight 104.15), belonging to the organic chemicals segment of chemical raw materials.
CAS number: 111-29-5
Its molecular formula C5H12O2 comprises 5 C, 12 H, 2 O atoms.
Also known as: 1,5-Pentanediol · 1,5-戊二醇
Category: organic chemicals
The CAS registry number of 1,5-Pentanediol is 111-29-5.
Molecular formula C5H12O2, molecular weight 104.15.
It is also registered under: 1,5-Pentanediol, 1,5-戊二醇.
Recorded applications: CIR ingredient: 1, 5-Pentanediol, plasticizer and brake fluid additive, Also used to make polyesters for emulsifying agents and resin intermediates, For 1, 5-pentanediol (USEPA/OPP Pesticide Code: 690202) there are 0 labels match. /SRP: Not registered for current use in the U.S.
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 1,5-Pentanediol (CAS 111-29-5), compiled from public chemistry databases.
| CAS Registry Number | 111-29-5 |
|---|---|
| PubChem CID | 8105 |
| Molecular formula | C5H12O2 |
| IUPAC name | pentane-1,5-diol |
| UNII (FDA) | 07UXZ0SCST |
| Molecular Weight | 104.15 |
|---|---|
| XLogP3 | -0.1 |
| Hydrogen Bond Donor Count | 2 |
| Hydrogen Bond Acceptor Count | 2 |
| Rotatable Bond Count | 4 |
| Exact Mass | 104.083729621 |
| Monoisotopic Mass | 104.083729621 |
| Topological Polar Surface Area | 40.5 |
| Heavy Atom Count | 7 |
| Boiling Point | 240 °C |
|---|---|
| Boiling Point | 239 °C @760 [mm Hg] |
| Melting Point | -18 °C |
| Flash Point | 129 °C (265 °F) (open cup) |
| Flash Point | 136 °C (277 °F) - closed cup |
| Density | 0.9941 g/cm cu at 20 °C; 0.9858 g/cm cu at 25 °C |
| Density | 0.994 @ 20°C |
| Vapor Pressure | 0.0039 [mmHg] |
| Vapor Pressure | 3.90X10-3 mm Hg at 25 °C |
| LogP | -0.43 |
1,5-PENTANEDIOL; Pentane-1,5-diol; 111-29-5; 1,5-Dihydroxypentane; Pentamethylene glycol; 1,5-Pentamethylene glycol; 1,5-Pentylene glycol; alpha,omega-Pentanediol; DTXSID2041256; 07UXZ0SCST; NSC-5927; DTXCID0021256; RefChem:73549; 203-854-4; 1,5 Pentanediol; NSC 5927
| Regulatory & Food Contact | CIR / INCI: Cosmetic ingredients (1,5-Pentanediol) -> CIR (Cosmetic Ingredient Review) |
|---|---|
| GHS notification summary | 84.9% (275 / 324) |
| GHS notification summary | 84.9% (275 / 324) |
|---|---|
| Reported hazard statements | H302 (15.1%) |
This chemical does not meet GHS hazard criteria for 84.9% (275 of 324) of all reports.
H302 (15.1%): Harmful if swallowed [Warning Acute toxicity, oral]
1,5-Pentanediol · CAS 111-29-5 · C5H12O2. UNII 07UXZ0SCST. Boiling Point: 240 °C; Boiling Point: 239 °C @760 [mm Hg]; Melting Point: -18 °C.
Source: PubChem / Wikidata; the batch COA governs where values differ.
Supplier: Jinan Shenghe Chemical Co., Ltd.
中文页面: 1,5-戊二醇