16352-18-4
16352-18-4 structure
- Name: 4,4,5,5-TETRAMETHYL-1,3,2-DIOXAPHOSPHOLAN-2-OL
- Chemical Name: 4,4,5,5-tetramethyl-1,3,2-dioxaphospholan-2-ium 2-oxide
- CAS Number: 16352-18-4
- Molecular Formula: C6H13O3P
- Molecular Weight: 164.13900
- Create Date: 2018-11-25 17:07:18
- Modify Date: 2025-08-25 17:54:47
| Name | 4,4,5,5-tetramethyl-1,3,2-dioxaphospholan-2-ium 2-oxide |
|---|---|
| Synonyms |
Pinacol phosphonate
4,4,5,5-TetraMethyl-1,3,2-dioxaphospholane 2-Oxide hydroxy-2 tetramethyl-4,4,5,5 dioxaphospholanne-1,3,2 hydro-2 oxo-2 tetramethyl-4,4,5,5 dioxaphospholanne-1,3,2 Phosphonic acid pinacol ester HASPO-1 1,3-dioxa-2-phospha-4,4,5,5-tetramethylcyclopentane 4,4,5,5-Tetramethyl-1,3,2-dioxaphospholane 2-Oxide |
| Boiling Point | 179.377ºC at 760 mmHg |
|---|---|
| Melting Point | 99-106ºC |
| Molecular Formula | C6H13O3P |
| Molecular Weight | 164.13900 |
| Flash Point | 79.028ºC |
| Exact Mass | 164.06000 |
| PSA | 59.00000 |
| LogP | 1.98010 |
| Vapour Pressure | 1.278mmHg at 25°C |
| Symbol |
GHS07 |
|---|---|
| Signal Word | Warning |
| Hazard Statements | H312-H319 |
| Precautionary Statements | P280-P305 + P351 + P338 |
| Personal Protective Equipment | dust mask type N95 (US);Eyeshields;Gloves |
| Hazard Codes | Xn: Harmful; |
| Risk Phrases | R21 |
| Safety Phrases | S26 |
| RIDADR | NONH for all modes of transport |
| HS Code | 2934999090 |
| Precursor 6 | |
|---|---|
| DownStream 2 | |
![4-chloro-3-[5-[(ethylcarbamothioylhydrazinylidene)methyl]furan-2-yl]benzoic acid structure](https://image.chemsrc.com/caspic/119/5843-26-5.png)
![2-benzoyloxy-4,4,5,5-tetramethyl-[1,3,2]dioxaphospholane structure](https://image.chemsrc.com/caspic/089/39869-67-5.png)
| HS Code | 2934999090 |
|---|---|
| Summary | 2934999090. other heterocyclic compounds. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0% |