- Shanghai Nianxing Industrial Co., Ltd
- China
- Product Name: Dibutyl squarate
- Price: Check
- Purity: 97.0%
- Stocking Period: 10 Day
- Contact: Yang
- Email: sales@echemcloud.com
- Shanghai Jizhi Biochemical Technology Co., Ltd
- China
- Product Name: Dibutyl squarate
- Price: ￥758.0/5g
- Purity: 98.0%
- Stocking Period: 3 Day
- Contact: Liu jia
- Email: 2130147988@qq.com
- Dayang Chem (Hangzhou) Co., Ltd.
- China
- Product Name: Dibutyl squarate
- Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
- Purity: 98.0%
- Stocking Period: Inquiry
- Contact: Ms Wang
- Email: enquiry@dycnchem.com
- Henan Tianfu Chemical Co., Ltd.
- China
- Product Name: squaric acid dibutyl ester(2892-62-8)
- Price: $Inquiry/1kg $Inquiry/25kg $Inquiry/1000kg $Inquiry/10ton
- Purity: 99.0%
- Stocking Period: Inquiry
- Contact: Anson
- Email: info@tianfuchem.com
2892-62-8
2892-62-8 structure
- Name: Dibutyl squarate
- Chemical Name: squaric acid dibutyl ester
- CAS Number: 2892-62-8
- Molecular Formula: C12H18O4
- Molecular Weight: 226.269
- Catalog: Chemical reagent Organic reagent Olefins (cyclic and non-cyclic)
- Create Date: 2018-03-13 08:00:00
- Modify Date: 2025-08-24 19:55:47
| Name | squaric acid dibutyl ester |
|---|---|
| Synonyms |
MFCD00037150
3,4-di-n-Butoxy-3-cyclobutene-1,2-dione 3,4-Dibutoxy-3-cyclobutene-1,2-dione squaric acid dibutyl ester Squaric acid di-n-butyl ester SADBE 3-Cyclobutene-1,2-dione, 3,4-dibutoxy- Di-n-butyl squarate 1,2-dibutyl squarate dibutylsquarate 1,2-dibutoxy-1-cyclobutene-3,4-dione Dibutyl squarate 3,4-dibutoxycyclobut-3-ene-1,2-dione 3,4-di-n-butyl-3-cyclobutene-1,2-dione Squaric acid dibutylester |
| Density | 1.1±0.1 g/cm3 |
|---|---|
| Boiling Point | 353.2±0.0 °C at 760 mmHg |
| Molecular Formula | C12H18O4 |
| Molecular Weight | 226.269 |
| Flash Point | 157.2±30.7 °C |
| Exact Mass | 226.120514 |
| PSA | 52.60000 |
| LogP | 1.97 |
| Vapour Pressure | 0.0±0.7 mmHg at 25°C |
| Index of Refraction | 1.477 |
| Water Solubility | INSOLUBLE |
| Symbol |
GHS07 |
|---|---|
| Signal Word | Warning |
| Hazard Statements | H315-H317-H319-H335 |
| Precautionary Statements | P261-P280-P305 + P351 + P338 |
| Personal Protective Equipment | Eyeshields;Faceshields;full-face respirator (US);Gloves;multi-purpose combination respirator cartridge (US);type ABEK (EN14387) respirator filter |
| Hazard Codes | Xn:Harmful; |
| Risk Phrases | R36/37/38;R42/43 |
| Safety Phrases | S26-S27-S36/37/39-S45 |
| RIDADR | NONH for all modes of transport |
| WGK Germany | 3 |
| RTECS | GU1772066 |
| HS Code | 2914509090 |
|
~92%
2892-62-8 |
| Literature: Canadian Journal of Chemistry, , vol. 64, p. 2267 - 2273 |
|
~65%
2892-62-8 |
| Literature: Chemische Berichte, , vol. 113, # 1 p. 1 - 8 |
|
~97%
2892-62-8 |
| Literature: Synthetic Communications, , vol. 27, # 12 p. 2177 - 2180 |
| Precursor 4 | |
|---|---|
| DownStream 4 | |
![2,4-Bis[4-(diethylamino)-2-hydroxyphenyl]squaraine structure](https://image.chemsrc.com/caspic/152/68842-66-0.png)
| HS Code | 2914509090 |
|---|---|
| Summary | HS:2914509090 other ketones with other oxygen function VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:5.5% General tariff:30.0% |