Product Name: 1,2,4-Trichlorobenzene

Synonyms: 1,2,4-Trichlorobenzene( 99%, HyDry, with molecular sieves, Water≤50 ppm (by K.F.));1,2,4-Trichlorobenzene(99%, HyDry, Water≤50 ppm (by K.F.));trojchlorobenzen(polish);UNSYM-TRICHLOROBENZENE;Trichlorobenzene, 1,2,4-? Trichlorobenzol;TRICHLOROBENZENE124-,,;TRICHLOROBENZEN MIXTURE;1,2,4-TRICHLOROBENZENE SINGLE COMPONENT STANDARD FOR EPA

CAS: 120-82-1

MF: C6H3Cl3

MW: 181.45

EINECS: 204-428-0

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Mol File: 120-82-1.mol

1,2,4-Trichlorobenzene Structure

1,2,4-Trichlorobenzene Chemical Properties

Melting point 16 °C(lit.)

Boiling point 214 °C(lit.)

density 1.454 g/mL at 25 °C(lit.)

vapor density >6 (vs air)

vapor pressure 1 mm Hg ( 40 °C)

refractive index n20/D 1.571(lit.)

Fp >230 °F

storage temp. 0-6°C

solubility water: insoluble

form Liquid

color Clear

explosive limit 6.6%, 150°F

Water Solubility INSOLUBLE

λmax λ: 308 nm Amax: 1.00

λ: 310 nm Amax: 0.50

λ: 350 nm Amax: 0.05

λ: 375-400 nm Amax: 0.01

Merck 14,9631

BRN 956819

Henry's Law Constant 0.997 at 20.0 °C (wetted-wall column, ten Hulscher et al., 1992) 1.24, 2.27, 2.58, 3.06, and 3.90 at 2.0, 6.0, 10.0, 18.0, and 25.0 °C, respectively (EPICS-SPME, Dewulf et al., 1999)

Exposure limits NIOSH REL: TWA ceiling 5 ppm (40 mg/m3); ACGIH TLV: ceiling 5 ppm (adopted).

Stability: Stable. Incompatible with strong oxidizing agents. Combustible.

CAS DataBase Reference 120-82-1(CAS DataBase Reference)

NIST Chemistry Reference Benzene, 1,2,4-trichloro-(120-82-1)

EPA Substance Registry System 1,2,4-Trichlorobenzene (120-82-1)

Safety Information

Hazard Codes Xn,N,Xi,T,F

Risk Statements 22-38-50/53-52/53-39/23/24/25-23/24/25-11-51/53

Safety Statements 23-37/39-60-61-45-36/37-16-7

RIDADR UN 2321 6.1/PG 3

WGK Germany 3

RTECS DC2100000

Autoignition Temperature 571 °C

Hazard Note Irritant

TSCA Yes

HazardClass 6.1

PackingGroup III

HS Code 29036990

Hazardous Substances Data 120-82-1(Hazardous Substances Data)

Toxicity LD50 orally in Rabbit: 550 mg/kg LD50 dermal Rat 6139 mg/kg