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2-Methyl-4,6-dinitrophenol

2-Methyl-4,6-dinitrophenol

CAS:
534-52-1
MF:
C7H6N2O5
MW:
198.13

Properties

Melting point:
83-85 °C(lit.)
Boiling point:
196°C 1012mm
Density 
1.5928 (rough estimate)
vapor pressure 
5.2(x 10-5 mmHg) at 25 °C (Melnikov, 1971)5(x 10-5 mmHg) at 20 °C (ACGIH, 1986)
refractive index 
1.5460 (estimate)
Flash point:
11 °C
storage temp. 
0-6°C
solubility 
Solubility Sparingly soluble in water; readily soluble in ethanol, acetone, ether
pka
4.42(at 25℃)
color 
Yellow prisms
PH Range
Colorless (2.4) to yellow (3.8)
Water Solubility 
slightly soluble
Merck 
3279
BRN 
2054389
Henry's Law Constant
1.4(x 10-6 atm?m3/mol) at 25 °C (gas stripping-UV spectrophotometry, Warner et al., 1987)
Exposure limits
NIOSH REL: TWA 0.2 mg/m3, IDLH 5 mg/m3; OSHA PEL: TWA 0.2 mg/m3.
Major Application
Explosives, fungicides, herbicides, insecticides, pesticides, antitumor agent

Safety Information

Symbol(GHS) 

GHS05,GHS06,GHS08,GHS09
Signal word 
Danger
Hazard statements 
H300+H310+H330-H315-H317-H318-H341-H410
Precautionary statements 
P201-P273-P280-P302+P352+P310-P304+P340+P310-P305+P351+P338
Hazard Codes 
T+,N,T,F
Risk Statements 
26/27/28-38-41-43-44-50/53-68-40-39/23/24/25-23/24/25-11-52/53-51/53
Safety Statements 
36/37-45-60-61-16-7
RIDADR 
UN 1598 6.1/PG 2
OEB
C
OEL
TWA: 0.2 mg/m3 [skin]
WGK Germany 
2
RTECS 
GO9625000
HazardClass 
6.1(a)
PackingGroup 
II
Toxicity
LD50 in rats (mg/kg): 25-40 orally, 200-600 dermally (Ben-Dyke)
IDLA
5 mg/m3

Use

2-Methyl-4,6-dinitrophenol can be used as dormant ovicidal spray for fruit trees (highly phytotoxic and cannot be used successfully on actively growing plants); herbicide; insecticide.

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