피로인산
|
|
피로인산 속성
- 녹는점
- 61 °C
- 밀도
- approximate 1.9g/ml (25℃)
- 저장 조건
- -20°C, Hygroscopic
- 용해도
- 에 용해됨DMSO(용해성)
- 산도 계수 (pKa)
- 0.99±0.10(Predicted)
- 물리적 상태
- 백색 결정
- 색상
- white crystals, crystalline
- 수소이온지수(pH)
- pKa1= 0.86, pKa2 = 1.76, pKa3 = 5.88, pKa4 = 8.14(25℃)
- 수용성
- 709g/100mL H2O(23°C); 용해성 알코올, 에테르 [MER06]
- Merck
- 13,8098
- 안정성
- 흡습성, 수분 민감성
- InChIKey
- XPPKVPWEQAFLFU-UHFFFAOYSA-N
- CAS 데이터베이스
- 2466-09-3(CAS DataBase Reference)
안전
- 위험 및 안전 성명
- 위험 및 사전주의 사항 (GHS)
| 위험품 표기 | C | ||
|---|---|---|---|
| 위험 카페고리 넘버 | 22-34 | ||
| 안전지침서 | 26-36/37/39-45 | ||
| 유엔번호(UN No.) | UN 3260 8/PG 2 | ||
| WGK 독일 | 3 | ||
| RTECS 번호 | JL6672500 | ||
| F 고인화성물질 | 3-9-21 | ||
| 위험 등급 | 8 | ||
| 포장분류 | III | ||
| HS 번호 | 28092000 | ||
| 기존화학 물질 | KE-29971 |
피로인산 C화학적 특성, 용도, 생산
개요
Pyrophosphoric acid, also known under the name diphosphoric acid, is colorless, odorless, hygroscopic and is soluble in water, diethyl ether and ethyl alcohol. It is produced from phosphoric acid by dehydration. Pyrophosphoric acid slowly hydrolyzes in the presence of water into phosphoric acid.H4P2O7 +H2O?2H3PO4
Upon heating, phosphoric acid loses water, being converted successively, and to some extent concurrently, into the pyro- and meta-acids:
2H3PO4?H4P2O7 +H2O
nH3PO4?(HPO3)n + [H2O]n
화학적 성질
White to very pale yellow glassy solid물리적 성질
Colorless needles or liquid; hygroscopic. Crystallizes in two anhydrous forms: a metastable form melting at 54.3°C and a second and more stable form melting at 71.5°C; extremely soluble in cold water, reacting very slowly to form phosphoric acid; decomposing much faster in hot water; very soluble in alcohol and ether.용도
Pyrophosphoric Acid has been shown to enhance the rate of pyrophosphate hydrolysis by nonenzymatic catlysis and by inorganic pyrophoshatase. Pyrophosphoric Acid can be used for the preparation of vanadyl pyrophosphato methoxide cluster anion. Pyrophosphoric Acid is used in anion binding of inorganic phosphates due to is ability to form complexes.제조 방법
According to early investigators, the pyro-acid is formed as low as 100 °C, and the conversion is complete between 255 and 260 °C. Phosphorous oxychloride reacts with phosphoric acid in the following manner:5H3PO4 + POC13?3H4P2O7 + 3HC1
A mixture of the ortho- and meta-acids may be condensed together to form the pyro-acid by heating on the water bath:
nH3PO4 +[HPO3]n?[H4P2O7]n
정의
ChEBI: An acyclic phosphorus acid anhydride obtained by condensation of two molecules of phosphoric acid.피로인산 준비 용품 및 원자재
원자재
준비 용품
피로인산 공급 업체
글로벌( 211)공급 업체
| 공급자 | 전화 | 이메일 | 국가 | 제품 수 | 이점 |
|---|---|---|---|---|---|
| Hebei Weibang Biotechnology Co., Ltd | +8617732866630 |
bess@weibangbio.com | China | 18194 | 58 |
| Henan Fengda Chemical Co., Ltd | +86-371-86557731 +86-13613820652 |
info@fdachem.com | China | 20288 | 58 |
| Henan Tianfu Chemical Co.,Ltd. | +86-0371-55170693 +86-19937530512 |
info@tianfuchem.com | China | 21639 | 55 |
| Hubei xin bonus chemical co. LTD | 86-13657291602 |
linda@hubeijusheng.com | CHINA | 22963 | 58 |
| Shandong chuangyingchemical Co., Ltd. | 18853181302 |
sale@chuangyingchem.com | CHINA | 5906 | 58 |
| Chongqing Chemdad Co., Ltd | +86-023-6139-8061 +86-86-13650506873 |
sales@chemdad.com | China | 39894 | 58 |
| Antai Fine Chemical Technology Co.,Limited | 18503026267 |
info@antaichem.com | CHINA | 9636 | 58 |
| Hebei Mojin Biotechnology Co., Ltd | +86 13288715578 +8613288715578 |
sales@hbmojin.com | China | 12837 | 58 |
| Hefei TNJ Chemical Industry Co.,Ltd. | +86-0551-65418671 +8618949823763 |
sales@tnjchem.com | China | 34553 | 58 |
| Wuhan Fortuna Chemical Co., Ltd | +86-027-59207850 |
info@fortunachem.com | China | 5986 | 58 |