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Diethyl squarate

Diethyl squarate
Diethyl squarate structure
CAS No.
5231-87-8
Chemical Name:
Diethyl squarate
Synonyms
DIETHYL SQUARATE;DIETHYL SUQUARATE;DiethylSquarate98%;Diethyl quadratate;TIMTEC-BB SBB008498;DIETHOXYCYCLOBUTENEDIONE;SQUARIC ACID DIETHYL ESTER;SUQUARIC ACID DIETHYL ESTER;1,2-DIETHOXYCYCLOBUTENEDIONE;3,4-DIETHOXYCYCLOBUTANE-1,2-DIONE
CBNumber:
CB1106356
Molecular Formula:
C8H10O4
Formula Weight:
170.16
MOL File:
5231-87-8.mol

Diethyl squarate Properties

Boiling point:
95 °C0.1 mm Hg(lit.)
Density 
1.15 g/mL at 25 °C(lit.)
refractive index 
n20/D 1.509(lit.)
Flash point:
>230 °F
storage temp. 
2-8°C
form 
Liquid
color 
Clear yellow to light brownish
Water Solubility 
insoluble
BRN 
640626
InChIKey
DFSFLZCLKYZYRD-UHFFFAOYSA-N
CAS DataBase Reference
5231-87-8(CAS DataBase Reference)
NIST Chemistry Reference
3,4-Diethoxy-3-cyclobutene-1,2-dione(5231-87-8)
SAFETY
  • Risk and Safety Statements
  • Hazard and Precautionary Statements (GHS)
Hazard Codes  Xn,Xi
Risk Statements  36/37/38-42/43
Safety Statements  7-26-37/39-24-23
WGK Germany  3
RTECS  GU1772466
10
Hazard Note  Irritant
HS Code  29145090
Symbol(GHS):
Signal word: Danger
Hazard statements:
Code Hazard statements Hazard class Category Signal word Pictogram P-Codes
H315 Causes skin irritation Skin corrosion/irritation Category 2 Warning P264, P280, P302+P352, P321,P332+P313, P362
H317 May cause an allergic skin reaction Sensitisation, Skin Category 1 Warning P261, P272, P280, P302+P352,P333+P313, P321, P363, P501
H319 Causes serious eye irritation Serious eye damage/eye irritation Category 2A Warning P264, P280, P305+P351+P338,P337+P313P
H334 May cause allergy or asthma symptoms or breathing difficulties if inhaled Sensitisation, respiratory Category 1 Danger P261, P285, P304+P341, P342+P311,P501
H335 May cause respiratory irritation Specific target organ toxicity, single exposure;Respiratory tract irritation Category 3 Warning
Precautionary statements:
P261 Avoid breathing dust/fume/gas/mist/vapours/spray.
P264 Wash hands thoroughly after handling.
P264 Wash skin thouroughly after handling.
P272 Contaminated work clothing should not be allowed out of the workplace.
P280 Wear protective gloves/protective clothing/eye protection/face protection.
P284 Wear respiratory protection.
P304+P340 IF INHALED: Remove victim to fresh air and Keep at rest in a position comfortable for breathing.
P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.
P342+P311 IF experiencing respiratory symptoms: call a POISON CENTER or doctor/physician.
P405 Store locked up.
P501 Dispose of contents/container to..…

Diethyl squarate price More Price(6)

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
Sigma-Aldrich 310778 3,4-Diethoxy-3-cyclobutene-1,2-dione 98% 5231-87-8 5g $158 2018-11-20 Buy
TCI Chemical D3253 3,4-Diethoxy-3-cyclobutene-1,2-dione >98.0%(GC) 5231-87-8 5g $36 2018-11-22 Buy
TCI Chemical D3253 3,4-Diethoxy-3-cyclobutene-1,2-dione >98.0%(GC) 5231-87-8 25g $124 2018-11-22 Buy
Alfa Aesar A19248 3,4-Diethoxy-3-cyclobutene-1,2-dione, 98% 5231-87-8 5g $154 2018-11-13 Buy
Alfa Aesar A19248 3,4-Diethoxy-3-cyclobutene-1,2-dione, 98% 5231-87-8 1g $47 2018-11-13 Buy

Diethyl squarate Chemical Properties,Uses,Production

Chemical Properties

clear yellow to light brownish liquid

Uses

Diethyl squarate is an intermediate for pharma products, for photochemicals used in the dry-view process, in synthesis of photosensitive squaraine dyes (eg. laser dyes used in CD-Rom) and as intermediate for functional polymers.

Diethyl squarate Preparation Products And Raw materials

Raw materials

Preparation Products


Diethyl squarate Suppliers

Global( 157)Suppliers
Supplier Tel Fax Email Country ProdList Advantage
Capot Chemical Co.,Ltd.
+86 (0)571-855 867 18
+86 (0)571-858 647 95 sales@capotchem.com China 19917 60
Henan DaKen Chemical CO.,LTD.
+86-371-55531817
info@dakenchem.com CHINA 21753 58
Henan Tianfu Chemical Co.,Ltd.
0371-55170693
0371-55170693 info@tianfuchem.com CHINA 20672 55
Shanghai Time Chemicals CO., Ltd.
+86-021-57951555
+86-021-57951555 jack.li@time-chemicals.com CHINA 1365 55
Mainchem Co., Ltd.
+86-0592-6210733
+86-0592-6210733 sales@mainchem.com CHINA 32447 55
career henan chemical co
+86-371-86658258
sales@coreychem.com CHINA 27142 58
Chemwill Asia Co.,Ltd.
86-21-51086038
86-21-51861608 chemwill_asia@126.com;sales@chemwill.com;chemwill@hotmail.com;chemwill@gmail.com CHINA 23964 58
HaBo Hong Kong Co., Limited.
+86-25-18512596065
info@habotech.com CHINA 1036 58
Accela ChemBio Inc.
(+1)-858-699-3322
(+1)-858-876-1948 info@accelachem.com United States 12231 58
Mianyang Chemget Chemical Co., Ltd. +86 (816) 255-1723,18981105653
+86 (816) 255-1905 sales@chemget.com.cn China 87 58

View Lastest Price from Diethyl squarate manufacturers

Image Release date Product Price Min. Order Purity Supply Ability Manufacturer
2019-04-03 Diethyl squarate in stock Factory
5231-87-8
US $1.00 / KG 1KG TOP 3 Factory in China Top 3 largest production capacity Factory Chemwill Asia Co.,Ltd.
2018-12-14 Diethyl squarate
5231-87-8
US $7.00 / kg 1kg 99% 100kg career henan chemical co

Diethyl squarate Spectrum


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