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Diethyl squarate

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Formula: C8H10O4
CAS: 5231-87-8
search Element: squarate diethyl
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Identification

Structural Formula
Diethyl squarate
CAS:
5231-87-8
EINECS:
Molecular Formula:
C8H10O4
MDL:
MFCD00001333
Synonym:
timtec-bb sbb008498 ; squaric acid diethyl ester ; diethyl suquarate ; diethyl quadratate ; diethylsquarate98% ; diethyl squarate ; 3,4-diethoxycyclobutane-1,2-dione ; diethoxycyclobutenedione ; suquaric acid diethyl ester ; 1,2-diethoxycyclobutenedione




Suppliers

Evonik ( formerly Wilshire Technologies, Inc. )
E15366144
Quzhou Rundong Chemical Co., Ltd.
QRC10564224
+
Hangzhou Trylead Chemical Technology Co., Ltd.
HTCT14727360
+
Finetech Industry Limited
FIL8003200
+
Hefei Hirisun Pharmatech Co., Ltd
HR012607
+
AK Scientific, Inc.
AS6081824
+
Zehao Industry Co., Ltd.
ZI7682304
+
Leap Chem Co., Ltd
LC5761728
+
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CAS equal suppliers

Squaric acid diethyl ester
Simagchem Corporation
SC21846552
Squaric acid diethyl ester
Haihang Industry Co., Ltd.
HI27048112
1,2-Diethoxycyclobutenedione
Hangzhou MolCore BioPharmatech Co.,Ltd.
CS20461
3,4-Diethoxy-3-cyclobutene-1,2-dione
Santa Cruz Biotechnology, Inc.
252042
3,4-Diethoxy-3-cyclobutene-1,2-dione
TCI Chemicals (India) Pvt. Ltd.
D3253
3,4-Diethoxy-3-cyclobutene-1,2-dione
Capot Chemical Co., Ltd.
9741
3,4-Diethoxy-3-cyclobutene-1,2-dione
Dayang Chem (Hangzhou) Co.,Ltd.
DC334813392
3,4-Diethoxy-3-cyclobutene-1,2-dione
Suzhou Vosun Biotech Co.,Ltd
SVBC302415120
3,4-Diethoxy-3-cyclobutene-1,2-dione
Carbone Scientific Co., Ltd.
CS30249072
3,4-Diethoxy-3-cyclobutene-1,2-dione
Autech Industry Co.,Limited
AIC291611664
3,4-Diethoxy-3-cyclobutene-1,2-dione
Xiamen Hisunny Chemical Co., Ltd.
XHC356414256
3,4-Diethoxy-3-cyclobutene-1,2-dione
Chemlyte Solutions
CS19445832
3,4-Diethoxycyclobut-3-ene-1,2-dione
Fox Chemicals GmbH
FC19445832
3,4-Diethoxycyclobut-3-ene-1,2-dione
Hangzhou J&H Chemical Co., Ltd.
HJC334813392
3,4-Diethoxycyclobut-3-ene-1,2-dione
Haihang Industry Co., Ltd.
HI28088424
3,4-Diethoxycyclobut-3-ene-1,2-dione
Wanko Chemical Co., Ltd.
WC25927776
3,4-Diethoxycyclobut-3-ene-1,2-dione
Ambeed, Inc.
A112729
3,4-Diethoxycyclobut-3-ene-1,2-dione
Manchester Organics Limited
E47454
3,4-Diethoxycyclobut-3-ene-1,2-dione
Key Organics Limited
PS-4470
3,4-Diethoxycyclobut-3-ene-1,2-dione
Ascender Chemical Co.,Ltd
ACC270010800
3-Cyclobutene-1,2-dione, 3,4-diethoxy-
Angene International Limited
AGN-PC-0JLOBO
3,4-Diethoxy-3-cyclobutene-1,2-dione, 98%
Alfa (A Johnson Matthey Company)
A393611808
3,4-Diethoxy-3-cyclobutene-1,2-dione, 98%
Acros Organics BVBA
AOB23379348

Prices & Availability




Data is processed


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Properties for Diethyl squarate

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
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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 [Diethyl squarate]

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

Chemexcel International Ltd. | Unispec Chemicals Co. | Frinton Laboratories | Syntechem Co., Ltd. | Chemwill Asia Co.,Limited | New Fortune Industrial Co. Ltd. | Suzhou Rovathin Pharmatech Co., Ltd | East Chemical Industry Co., Ltd. | Jinan Great Chemical Co., Ltd. | Shanghai Raise Chemical Technology Co., Ltd. | Watson International Ltd | Yongyi Chemicals Group Co., Ltd. | Jinan Haohua Industry Co., Ltd. | Trademax Phamaceuticals & Chemicals Co., Ltd. | Gihi Chemicals Co., Limited | Hangzhou Dayangchem Co. Ltd.

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