Hydroxymethyl phenylphosphinic acid
Also known as: Hydroxymethyl(phenyl)phosphinic acid, Phosphinic acid, P-(hydroxymethyl)-P-phenyl-, HMPPA, hydroxymethoxy-oxo-phenylphosphanium, hydroxymethoxy-oxo-phenylphosphonium, hydroxymethyloxy-oxidanylidene-phenyl-phosphanium
Hydroxymethyl phenylphosphinic acid (CAS 61451-78-3) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C7H9O3P and a molecular weight of 171.11000 g/mol. Key properties include a boiling point of 445.008ºC at 760 mmHg, a density of 1.348 g/cm3 and a flash point of 222.933ºC. It is listed by 1 supplier, from 3,600.00 to 4,500.00 CNY. Record last updated Nov 2, 2026.
- CAS No.
- 61451-78-3
- Jingsj CID
- J-1096458-3
- Molecular Formula
- C7H9O3P
- Molecular Weight
- 171.11000 g/mol
- Category
- Organic Acids
- Last updated
- 11/2/2026
| Supplier | Purity / Pack | Base Price | Unit Price | Origin | |
|---|---|---|---|---|---|
In StockPlatform-operated | 99% 25g | ¥90,000.00 | $538.72 /gBest ¥3,600.00/g CNY | CN China MOQ 25g | |
Made to OrderPlatform-operated | 99% 5g | ¥20,000.00 | $598.58 /g ¥4,000.00/g CNY | CN China MOQ 5g | |
Made to OrderPlatform-operated | 99% 1g | ¥4,500.00 | $673.4 /g ¥4,500.00/g CNY | CN China MOQ 1g |
Physicochemical Properties
| Boiling Point | 445.008ºC at 760 mmHg |
|---|---|
| Density | 1.348 g/cm3 |
| Flash Point | 222.933ºC |
| Exact Mass | 171.02100 |
| PSA | 80.67000 |
| LogP | 1.02070 |
| Refractive Index | 1.559 |
Customs & Trade Information
| HS Code | 2918199090 |
|---|---|
| Summary | 2918199090 other carboxylic acids with alcohol function but without other oxygen function, their anhydrides, halides, peroxides, peroxyacids and their derivatives。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:6.5%。General tariff:30.0% |
Frequently Asked Questions
What is the CAS number of Hydroxymethyl phenylphosphinic acid?
The CAS number of Hydroxymethyl phenylphosphinic acid is 61451-78-3.
What are the molecular formula and molecular weight of Hydroxymethyl phenylphosphinic acid?
Hydroxymethyl phenylphosphinic acid has molecular formula C7H9O3P and molecular weight 171.11000 g/mol.
Which suppliers offer Hydroxymethyl phenylphosphinic acid?
1 supplier(s) listed; reference unit price ¥3600.00–4500.00 /g.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Hydroxymethyl phenylphosphinic acid (CAS 61451-78-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1096458-3 (accessed 2026-11-06).
Data for reference only; verify product details with suppliers before purchase.