Tetrabenzyl pyrophosphate
Also known as: Tetrabenzyl diphosphate, Pyrophosphoric acid tetrabenzyl ester, Benzyl Pyrophosphate, Bis(phenylmethoxy)phosphoryl bis(phenylmethyl) phosphate, Diphosphoric acid, tetrakis(phenylmethyl) ester, Diphosphoric acid P,P,P',P'-tetrakis(phenylmethyl) ester, MFCD00051941, Tetrabenzyl Pyrophosphate, Tetrabenzyl pyrophosphate, tech.
Tetrabenzyl pyrophosphate (CAS 990-91-0) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C28H28O7P2 and a molecular weight of 538.465 g/mol. Key properties include a melting point of 63-66 °C(lit.), a boiling point of 601.6±55.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 330.4±51.8 °C. It is classified under GHS with signal word Danger and hazard statements H314 — Causes severe skin burns and eye damage. It is listed by 1 supplier, from 3.00 to 9.60 CNY. Record last updated Aug 21, 2026.
- CAS No.
- 990-91-0
- Jingsj CID
- J-1992629-8
- Molecular Formula
- C28H28O7P2
- Molecular Weight
- 538.465 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
| Supplier | Purity / Pack | Base Price | Unit Price | Origin | |
|---|---|---|---|---|---|
Made to OrderPlatform-operated | 99% 500g | ¥1,500.00 | $0.45 /gBest ¥3.00/g CNY | CN China MOQ 500g | |
Made to OrderPlatform-operated | 99% 100g | ¥500.00 | $0.75 /g ¥5.00/g CNY | CN China MOQ 100g | |
Made to OrderPlatform-operated | 99% 25g | ¥240.00 | $1.44 /g ¥9.60/g CNY | CN China MOQ 25g |
Physicochemical Properties
| Melting Point | 63-66 °C(lit.) |
|---|---|
| Boiling Point | 601.6±55.0 °C at 760 mmHg |
| Density | 1.3±0.1 g/cm3 |
| Flash Point | 330.4±51.8 °C |
| Exact Mass | 538.131042 |
| PSA | 99.91000 |
| LogP | 6.01 |
| Vapor Pressure | 0.0±1.6 mmHg at 25°C |
| Refractive Index | 1.591 |
GHS Safety & Compliance
- H314 — Causes severe skin burns and eye damage
Frequently Asked Questions
What is the CAS number of Tetrabenzyl pyrophosphate?
The CAS number of Tetrabenzyl pyrophosphate is 990-91-0.
What are the molecular formula and molecular weight of Tetrabenzyl pyrophosphate?
Tetrabenzyl pyrophosphate has molecular formula C28H28O7P2 and molecular weight 538.465 g/mol.
Which suppliers offer Tetrabenzyl pyrophosphate?
1 supplier(s) listed; reference unit price ¥3.00–9.60 /g.
Is Tetrabenzyl pyrophosphate hazardous?
Tetrabenzyl pyrophosphate has GHS signal word Danger and hazard statements H314 — Causes severe skin burns and eye damage.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Tetrabenzyl pyrophosphate (CAS 990-91-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1992629-8 (accessed 2026-11-06).
Data for reference only; verify product details with suppliers before purchase.