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Key Documents

8.20433

Sigma-Aldrich

2,4-Dichlorobenzaldehyde

for synthesis

Synonym(s):

2,4-Dichlorobenzaldehyde

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About This Item

Linear Formula:
2,4-(Cl)2C6H3CHO
CAS Number:
874-42-0
Molecular Weight:
175.01
MDL number:
MFCD00003305
UNSPSC Code:
12352114
EC Index Number:
212-861-1
NACRES:
NA.22

Quality Level

200

Assay

≥98.0% (GC)

form

crystals

autoignition temp.

440 °C

potency

3470 mg/kg LD50, oral (Rat)

bp

233 °C/1013 hPa

mp

68-71 °C

transition temp

flash point 135 °C

bulk density

700 kg/m3

storage temp.

2-30°C

InChI

1S/C7H4Cl2O/c8-6-2-1-5(4-10)7(9)3-6/h1-4H

InChI key

YSFBEAASFUWWHU-UHFFFAOYSA-N

Analysis Note

Assay (GC, area%): ≥ 98.0 % (a/a)
Melting range (lower value): ≥ 68 °C
Melting range (upper value): ≤ 71 °C
Identity (IR): passes test

Pictograms

CorrosionEnvironment
GHS05,GHS09

Signal Word

Danger

Hazard Statements

H314 - H411

Hazard Classifications

Aquatic Chronic 2 - Eye Dam. 1 - Skin Corr. 1B

Storage Class Code

8A - Combustible, corrosive hazardous materials

WGK

WGK 2

Flash Point(F)

275.0 °F - closed cup

Flash Point(C)

135 °C - closed cup

Certificates of Analysis (COA)

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