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3,4-Diethoxy-3-cyclobutene-1,2-dione

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Formula: C8H10O4
CAS: 5231-87-8
search Element: cyclobutene diethoxy dione
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Identification

Structural Formula
3,4-Diethoxy-3-cyclobutene-1,2-dione
CAS:
5231-87-8
EINECS:
Molecular Formula:
C8H10O4
MDL:
MFCD00001333
SMILES:
CCOC1=C(C(=O)C1=O)OCC
Synonym:
diethoxycyclobutenedione ; diethyl squarate ; diethyl suquarate ; timtec-bb sbb008498 ; suquaric acid diethyl ester ; diethylsquarate98% ; 3,4-diethoxycyclobutane-1,2-dione ; squaric acid diethyl ester ; 1,2-diethoxycyclobutenedione ; diethyl quadratate


Description

Useful starting material for synthesis of furanones and quinones. Also undergoes ethoxy substitution with amines and unsaturated organosilanes.


Suppliers

Autech Industry Co.,Limited
AIC291611664
+
Chemlyte Solutions
CS19445832
+
Carbone Scientific Co., Ltd.
CS30249072
+
Xiamen Hisunny Chemical Co., Ltd.
XHC356414256
+
Capot Chemical Co., Ltd.
9741
+
Santa Cruz Biotechnology, Inc.
252042
Dayang Chem (Hangzhou) Co.,Ltd.
DC334813392
+
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Prices & Availability




Data is processed


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Properties for 3,4-Diethoxy-3-cyclobutene-1,2-dione

Molecular Weight:
170.16 g·mol−1
Density:
1.15 g/mL at 25 °C(lit.)
Boiling point:
95 °C0.1 mm Hg(lit.)
Flash point:
>230 ºF
Solubility:
Soluble in water (partly).
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Hazard Statements

GHS07

GHS03
Harmful
  • Acute toxicity (oral, dermal, inhalation), category 4
  • Skin irritation, categories 2, 3
  • Eye irritation, category 2A
  • Skin sensitization, category 1
  • Specific target organ toxicity following single exposure, category 3
    - Respiratory tract irritation
    - Narcotic effects
    • Not used
  • with the "skull and crossbones" pictogram
  • for skin or eye irritation if:
  • the "corrosion" pictogram also appears
  • the "health hazard" pictogram is used to indicate respiratory sensitization
GHS08

GHS08
Health hazard
  • Respiratory sensitization, category 1
  • Germ cell mutagenicity, categories 1A, 1B, 2
  • Carcinogenicity, categories 1A, 1B, 2
  • Reproductive toxicity, categories 1A, 1B, 2
  • Specific target organ toxicity following single exposure, categories 1, 2
  • Specific target organ toxicity following repeated exposure, categories 1, 2
  • Aspiration hazard, categories 1, 2

Safety & Transport Information

Risk Codes:
R36/37/38 - Irritating to eyes, respiratory system and skin
R42/43 - May cause sensitization by inhalation and skin contact
Safety Codes:
S23 - Do not breathe gas/fumes/vapour/spray (appropriate wording to be specified by the manufacturer)
S24 - Avoid contact with skin
S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice
S37/39 - Wear suitable gloves and eye/face protection
S7 - Keep container tightly closed
Hazard Symbols:
Xn, Xi
Hazard symbol Xn Hazard symbol Xi
Storage temperature :
2-8°C
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Alternative Distributors of [3,4-Diethoxy-3-cyclobutene-1,2-dione]

Producers or manufacturers change the product range from time to time. The following companies
have appeared as suppliers in the past / currently not verified

Fine & Fine Chemical Industrial Co., Ltd. | ABCR GmbH & Co. KG | Chemexcel International Ltd. | Pharmasi Chemicals Co., Ltd. | Frinton Laboratories | TCI Europe NV | Changzhou Hi-Tech Chemicals Limited | Conier Chem & Pharma Ltd | Shanghai AOKChem Group Limited | Hangzhou Sage Chemical Co., Ltd. | Ark Pharm, Inc. | East Chemical Industry Co., Ltd. | Zhejiang Kaili Industrial Co., Ltd. | Watson International Ltd | BOC Sciences | Jinan Haohua Industry Co., Ltd. | Sino Rarechem Labs Co. Ltd. | Gihi Chemicals Co., Limited | Wanko Chemical Co., Ltd.

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Downloads

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MSDS:
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