5662-95-3
5662-95-3 structure
- Name: 3,3-Tetramethyleneglutaric anhydride
- Chemical Name: 1,1-Cyclopentanediacetic Anhydride
- CAS Number: 5662-95-3
- Molecular Formula: C9H12O3
- Molecular Weight: 168.19000
- Catalog: Chemical reagent Organic reagent Carboxylic anhydride
- Create Date: 2018-03-13 08:00:00
- Modify Date: 2025-08-25 12:39:09
| Name | 1,1-Cyclopentanediacetic Anhydride |
|---|---|
| Synonyms |
8-oxaspiro[4.5]decane-7,9-dione
MFCD00006678 EINECS 227-116-6 |
| Density | 1.19 g/cm3 |
|---|---|
| Boiling Point | 186 °C15 mm Hg(lit.) |
| Melting Point | 64-66 °C(lit.) |
| Molecular Formula | C9H12O3 |
| Molecular Weight | 168.19000 |
| Flash Point | 154.5ºC |
| Exact Mass | 168.07900 |
| PSA | 43.37000 |
| LogP | 1.41040 |
| Index of Refraction | 1.502 |
| Water Solubility | decomposes |
| Symbol |
GHS07 |
|---|---|
| Signal Word | Warning |
| Hazard Statements | H315-H319-H335 |
| Precautionary Statements | P261-P305 + P351 + P338 |
| Personal Protective Equipment | dust mask type N95 (US);Eyeshields;Gloves |
| Hazard Codes | Xi: Irritant; |
| Risk Phrases | R36/37/38 |
| Safety Phrases | S26-S36-S24/25 |
| RIDADR | NONH for all modes of transport |
| WGK Germany | 3 |
| HS Code | 2917209090 |
| Precursor 3 | |
|---|---|
| DownStream 6 | |
![[1-(carbamoyl-carboxy-methyl)-cyclopentyl]-malonic acid structure](https://image.chemsrc.com/caspic/412/861342-71-4.png)
![8-(2-CHLORO-ETHYL)-8-AZA-SPIRO[4,5]DECANE-7,9-DIONE structure](https://image.chemsrc.com/caspic/046/21098-05-5.png)
![8-(prop-2-ynyl)-8-azaspiro[4.5]decane-7,9-dione structure](https://image.chemsrc.com/caspic/254/25032-23-9.png)
![8-hydroxy-8-azaspiro[4.5]decane-7,9-dione structure](https://image.chemsrc.com/caspic/210/64744-43-0.png)
| HS Code | 2917209090 |
|---|---|
| Summary | 2917209090 other cyclanic, cyclenic or cyclotherpenic polycarboxylic acids, their anhydrides, halides, peroxides, peroxyacids and their derivatives。supervision conditions:AB(certificate of inspection for goods inward,certificate of inspection for goods outward)。VAT:17.0%。tax rebate rate:9.0%。MFN tariff:6.5%。general tariff:30.0% |