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Key Documents

8.03774

Sigma-Aldrich

2,4-Dichlorophenol

for synthesis

Synonym(s):

2,4-Dichlorophenol, 2,4-DCP

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About This Item

Linear Formula:
2,4-(Cl)2C6H3OH
CAS Number:
120-83-2
Molecular Weight:
163.00
MDL number:
MFCD00002169
UNSPSC Code:
12352104
EC Index Number:
204-429-6
NACRES:
NA.22

vapor pressure

1.3 hPa ( 50 °C)

Quality Level

200

Assay

≥98.0% (GC)

form

crystals

potency

780 mg/kg LD50, skin (Rat)

bp

209-211 °C/1013 hPa

mp

40-43 °C

transition temp

flash point 114 °C

storage temp.

2-30°C

InChI

1S/C6H4Cl2O/c7-4-1-2-6(9)5(8)3-4/h1-3,9H

InChI key

HFZWRUODUSTPEG-UHFFFAOYSA-N

Analysis Note

Assay (GC, area%): ≥ 98.0 % (a/a)
Melting range (lower value): ≥ 41 °C
Melting range (upper value): ≤ 44 °C
Identity (IR): passes test
Due to its specific melting range the product may be solid, liquid, a solidified melt or a supercooled melt.

Signal Word

Danger

Hazard Statements

H302 - H311 - H314 - H411

Hazard Classifications

Acute Tox. 3 Dermal - Acute Tox. 4 Oral - Aquatic Chronic 2 - Eye Dam. 1 - Skin Corr. 1B

Storage Class Code

6.1C - Combustible, acute toxic Cat.3 / toxic compounds or compounds which causing chronic effects

WGK

WGK 3

Flash Point(F)

231.1 °F - closed cup

Flash Point(C)

110.6 °C - closed cup

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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