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Dinitro-o-cresol

Synonyms & Trade Names
4,6-Dinitro-o-cresol, 3,5-Dinitro-2-hydroxytoluene, 4,6-Dinitro-2-methyl phenol, DNC, DNOC
CAS No.
534-52-1
RTECS No.
GO9625000
DOT ID & Guide
1598 153
Formula
CH3C6H2OH(NO2)2
Conversion
IDLH
5 mg/m3
See: 534521
Exposure Limits
NIOSH REL
TWA 0.2 mg/m3 [skin]
OSHA PEL
TWA 0.2 mg/m3 [skin]
Measurement Methods
NIOSH S166 (II-5)
See: NMAM or OSHA Methods
Physical Description
Yellow, odorless solid. [insecticide]
Molecular Weight
198.1
Boiling Point
594°F
Melting Point
190°F
Solubility
0.01%
Vapor Pressure
0.00005 mmHg
Ionization Potential
?
Specific Gravity
1.1 (estimated)
Flash Point
NA
Upper Exposive Limit
NA
Lower Explosive Limit
NA
Minimum Explosive Concentration
30 g/m3
Noncombustible Solid
Incompatibilities & Reactivities
Strong oxidizers
Exposure Routes
inhalation, skin absorption, ingestion, skin and/or eye contact
Symptoms
Sense of well being; headache, fever, lassitude (weakness, exhaustion), profuse sweating, excess thirst, tachycardia, hyperpnea, cough, short breath, coma
Target Organs
cardiovascular system, endocrine system
Personal Protection/Sanitation
(See protection codes)
Skin:Prevent skin contact
Eyes:Prevent eye contact
Wash skin:When contaminated/Daily
Remove:When wet or contaminated
Change:Daily
First Aid
(See procedures)
Eye:Irrigate immediately
Skin:Soap wash immediately
Breathing:Respiratory support
Swallow:Medical attention immediately
Respirator Recommendations

NIOSH/OSHA

Up to 2 mg/m3:
(APF = 10) Any air-purifying full-facepiece respirator equipped with an N95, R95, or P95 filter. The following filters may also be used: N99, R99, P99, N100, R100, P100.
Click here for information on selection of N, R, or P filters.

Up to 5 mg/m3:
(APF = 50) Any air-purifying, full-facepiece respirator with an N100, R100, or P100 filter.
Click here for information on selection of N, R, or P filters.
(APF = 25) Any supplied-air respirator operated in a continuous-flow mode£
(APF = 25) Any powered, air-purifying respirator with a high-efficiency particulate filter.£
(APF = 50) Any self-contained breathing apparatus with a full facepiece
(APF = 50) Any supplied-air respirator with a full facepiece

Emergency or planned entry into unknown concentrations or IDLH conditions:
(APF = 10,000) Any self-contained breathing apparatus that has a full facepiece and is operated in a pressure-demand or other positive-pressure mode
(APF = 10,000) Any supplied-air respirator that has a full facepiece and is operated in a pressure-demand or other positive-pressure mode in combination with an auxiliary self-contained positive-pressure breathing apparatus

Escape:
(APF = 50) Any air-purifying, full-facepiece respirator with an N100, R100, or P100 filter.
Click here for information on selection of N, R, or P filters.
Any appropriate escape-type, self-contained breathing apparatus

Important additional information about respirator selection

See also
INTRODUCTION   ICSC CARD: 0462   MEDICAL TESTS: 0087
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