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About This Item
Linear Formula:
(C2H5O)2C4(=O)2
CAS Number:
Molecular Weight:
170.16
Beilstein:
640626
MDL number:
UNSPSC 코드:
12352100
PubChem Substance ID:
NACRES:
NA.22
Quality Level
분석
98%
양식
liquid
refractive index
n20/D 1.509 (lit.)
bp
95 °C/0.1 mmHg (lit.)
density
1.15 g/mL at 25 °C (lit.)
작용기
ether
ketone
SMILES string
CCOC1=C(OCC)C(=O)C1=O
InChI
1S/C8H10O4/c1-3-11-7-5(9)6(10)8(7)12-4-2/h3-4H2,1-2H3
InChI key
DFSFLZCLKYZYRD-UHFFFAOYSA-N
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일반 설명
The reaction of 3,4-diethoxy-3-cyclobutene-1,2-dione (squaric acid diethyl ester) with glycosylamines (formed by reducing oligosaccharides) was studied. The derivatives formed were linked to amino-functionalized lipids, solids or proteins.
애플리케이션
3,4-Dethoxy-3-cyclobutene-1,2-dione is used as a starting material for synthesis of furanones and quinones. It undergoes ethoxy substitution with amines and unsaturated organosilanes.
신호어
Danger
유해 및 위험 성명서
Hazard Classifications
Eye Irrit. 2 - Resp. Sens. 1 - Skin Irrit. 2 - Skin Sens. 1 - STOT SE 3
표적 기관
Respiratory system
Storage Class Code
10 - Combustible liquids
WGK
WGK 3
Flash Point (°F)
230.0 °F - closed cup
Flash Point (°C)
110 °C - closed cup
개인 보호 장비
Eyeshields, Faceshields, Gloves, type ABEK (EN14387) respirator filter
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