Synonyms: o-Phthalaldehyde; o-Phthalic dicarboxaldehyde; Benzene-1,2-dicarboxaldehyde; OPA
CAS Number: 643-79-8
Formula: C8H6O2
Formula Weight: 134.13
Linear Formula: C8H6O2
MDL No.: MFCD00003335
Purity: >=97% (HPLC)
Melting Point: 55-58 C
Storage: 2-8C
Beilstein Registry Number: 878317
EC Number: 211-402-2
UNSPSC Code: 12352201
Application: For precolumn derivatization of amino acids for HPLC separation. For flow cytometric measurements of protein thiol groups.
RTECS: TH6950000
RIDADR: UN2923 - class 8 - PG 2 - EHS - acidic - Corrosive solids, toxic, n.o.s., HI: all
WGK Germany: 3
Flash Point(F): 269.6 F
Flash Point(C): 132 C
R Codes: 25-34-43-50
S Codes: 26-36/37/39-45-61
IOD Codes: T,N
Symbol: GHS05, GHS06, GHS09
Signal Word: Danger
Hazard Statements: H301-H314-H317-H400
Precautionary statements: P273-P280-P301 + P310-P305 + P351 + P338-P310