Identification Chemical Properties Safety Data Hazard Information Material Safety Data Sheet(MSDS) Spectrum Detail Well-known Reagent Company Product Information Related Products

534-52-1

Name 2-Methyl-4,6-dinitrophenol
CAS 534-52-1
EINECS(EC#) 208-601-1
Molecular Formula C7H6N2O5
MDL Number MFCD00007105
Molecular Weight 198.13
MOL File 534-52-1.mol

Chemical Properties

Appearance yellow to yellow-green crystals or cryst. powder
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)
Fp  11 °C
storage temp.  0-6°C
solubility  Solubility Sparingly soluble in water; readily soluble in ethanol, acetone, ether
form  neat
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
CAS DataBase Reference 534-52-1(CAS DataBase Reference)
NIST Chemistry Reference Phenol, 2-methyl-4,6-dinitro-(534-52-1)
EPA Substance Registry System 534-52-1(EPA Substance)

Safety Data

Hazard Codes  T+,N,T,F
Risk Statements 
R26/27/28:Very Toxic by inhalation, in contact with skin and if swallowed .
R38:Irritating to the skin.
R41:Risk of serious damage to eyes.
R43:May cause sensitization by skin contact.
R44:Risk of explosion if heated under confinement.
R50/53:Very Toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment .
R68:Possible risk of irreversible effects.
R40:Limited evidence of a carcinogenic effect.
R39/23/24/25:Toxic: danger of very serious irreversible effects through inhalation, in contact with skin and if swallowed .
R23/24/25:Toxic by inhalation, in contact with skin and if swallowed .
R11:Highly Flammable.
R52/53:Harmful to aquatic organisms, may cause long-term adverse effects in the aquatic environment .
Safety Statements 
S36/37:Wear suitable protective clothing and gloves .
S45:In case of accident or if you feel unwell, seek medical advice immediately (show label where possible) .
S60:This material and/or its container must be disposed of as hazardous waste .
S61:Avoid release to the environment. Refer to special instructions safety data sheet .
S16:Keep away from sources of ignition-No smoking .
S7:Keep container tightly closed .
RIDADR  UN 1598 6.1/PG 2
WGK Germany  2
RTECS  GO9625000
HazardClass  6.1(a)
PackingGroup  II
Safety Profile
Human poison by unspecified route. Experimental poison by ingestion, inhalation, skin contact, intraperitoneal, and intravenous routes. Human systemic effects by ingestion and inhalation: somnolence, headache, abnormal brain recordings from specific areas of the central nervous system, cardlac and gastrointestinal changes. Mutation data reported. An e~7e and skin irritant. Less toxic than the para form, but is still highly toxic. A pesticide. See also NITRO COMPOUNDS of AROMATIC HYDROCARBONS and other dinitrocresol entries.
Hazardous Substances Data 534-52-1(Hazardous Substances Data)
Toxicity
LD50 in rats (mg/kg): 25-40 orally, 200-600 dermally (Ben-Dyke)
IDLA 5 mg/m3

Hazard Information

Material Safety Data Sheet(MSDS)

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