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o-Phthalaldehyde Structure

o-Phthalaldehyde

Chemical Properties

Melting point 55-58 °C(lit.)
Boiling point 83-84 °C (0.7501 mmHg)
Density  1.13
vapor pressure  0.56Pa at 25℃
refractive index  1.4500 (estimate)
Flash point >230 °F
storage temp.  2-8°C
solubility  The solubility of o-phthalaldehyde is 3g/100 mL diisopropyl ether, 5g/100mL deionized water, 20g/100mL chloroform, or 20g/100mL acetone at 20°C.
form  powder
color  yellow
PH 7 (53g/l, H2O, 20℃)
Water Solubility  soluble
Sensitive  Air Sensitive
Merck  14,7368
BRN  878317
Exposure limits ACGIH: SL .025 mg/100 cm2; Ceiling 0.1 ppb (Skin)
Stability Stable. Air sensitive. Incompatible with strong oxidizing agents, strong bases.
InChIKey ZWLUXSQADUDCSB-UHFFFAOYSA-N
LogP 0.99 at 30℃
CAS DataBase Reference 643-79-8(CAS DataBase Reference)
NIST Chemistry Reference O-phthalaldehyde(643-79-8)
EPA Substance Registry System 1,2-Benzenedicarboxaldehyde (643-79-8)

Safety Information

Hazard Codes  Xi,T,N,C
Risk Statements  36/37/38-43-34-25-50-52/53
Safety Statements  26-28-36-45-36/37/39-61-37/39
RIDADR  UN2923 8/PG 2
WGK Germany  3
RTECS  TH6950000
1-8-10
Autoignition Temperature 480 °C
Hazard Note  Irritant/Air Sensitive
TSCA  Yes
HazardClass  8
PackingGroup 
HS Code  29122900
Hazardous Substances Data 643-79-8(Hazardous Substances Data)
Toxicity LD50 orally in Rabbit: 178 mg/kg LD50 dermal Rat > 2000 mg/kg

MSDS

Usage And Synthesis

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