Identification Chemical Properties Safety Data Hazard Information Spectrum Detail Well-known Reagent Company Product Information Supplier Related Products

5231-87-8

Name Diethyl squarate
CAS 5231-87-8
Molecular Formula C8H10O4
MDL Number MFCD00001333
Molecular Weight 170.16
MOL File 5231-87-8.mol
show more

Chemical Properties

Appearance clear yellow to light brownish liquid
Melting point  13-18 °C
Boiling point  95 °C0.1 mm Hg(lit.)
density  1.15 g/mL at 25 °C(lit.)
refractive index  n20/D 1.509(lit.)
Fp  >230 °F
storage temp.  2-8°C
form  Liquid
color  Clear yellow to light brownish
Water Solubility  insoluble
Usage 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.
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 Data

Hazard Codes  Xn,Xi
Risk Statements 
R36/37/38:Irritating to eyes, respiratory system and skin .
R42/43:May cause sensitization by inhalation and skin contact .
Safety Statements 
S7:Keep container tightly closed .
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 .
S24:Avoid contact with skin .
S23:Do not breathe gas/fumes/vapor/spray (appropriate wording to be specified by the manufacturer) .
WGK Germany  3
RTECS  GU1772466
F  10
Hazard Note  Irritant
HS Code  29145090

Hazard Information

Spectrum Detail

Well-known Reagent Company Product Information

Supplier

Related Products

Send Inquriy