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1-NITROSO-2-NAPHTHOL

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1-NITROSO-2-NAPHTHOL

EINECS 205-043-0
CAS No. 131-91-9 Density 1.27 g/cm3
PSA 49.66000 LogP 2.94330
Solubility Insoluble in water Melting Point 106-108 °C (dec.)(lit.)
Formula C10H7NO2 Boiling Point 357.6 °C at 760 mmHg
Molecular Weight 173.171 Flash Point 170.1 °C
Transport Information UN 3077 Appearance brown powder
Safety 26-36-45 Risk Codes 22-36/37/38-33-20/21/22
Molecular Structure Molecular Structure of 131-91-9 (1-Nitroso-2-naphthol) Hazard Symbols HarmfulXn
Synonyms

2-Naphthol,1-nitroso- (8CI);1-Nitroso-2-hydroxynaphthalene;1-Nitroso-2-naphthalenol;2-Hydroxy-1-nitrosonaphthalene;NSC 4151;NSC 677525;a-Nitroso-b-naphthol;

Article Data 17

1-NITROSO-2-NAPHTHOL Chemical Properties

Chemical Name: 1-Nitroso-2-naphthol
IUPAC NAME: 1-nitrosonaphthalen-2-ol
CAS No.: 131-91-9
EINECS: 205-043-0
RTECS: QL4725000
RTECS Class: Agricultural Chemical and Pesticide; Mutagen
Molecular Formula: C10H7NO2
Molecular Weight: 173.17 g/mol
Density: 1.27 g/cm3
Melting Point: 106-108 °C (dec.)(lit.)
Flash Point: 170.1 °C
Boiling Point: 357.6 °C at 760 mmHg
1-NITROSO-2-NAPHTHOL(131-91-9)is stable under normal temperatures and pressures.but incompatible with strong oxidizing agents,strong bases.Following is the structure of 1-NITROSO-2-NAPHTHOL(131-91-9):

              
The chemical synonymous of 1-NITROSO-2-NAPHTHOL(131-91-9) are LABOTEST-BB LT00068477;CI NO 10005;ALPHA-NITROSO-BETA-NAPHTHOL;1-NITROSO-2-NAPHTHOL;TIMTEC-BB SBB009148;1,2-Napthtoquinone 1-oxime;1-Nitroso-2-naftol;1-nitroso-2-naphthaleno.

1-NITROSO-2-NAPHTHOL Uses

1-NITROSO-2-NAPHTHOL(131-91-9) is used as analytical reagent and also to prevent gum formation in gasoline.

1-NITROSO-2-NAPHTHOL Production

Product Categories about 1-NITROSO-2-NAPHTHOL(131-91-9) are Intermediates of Dyes and Pigments;Phenoles and thiophenoles;Nitrogen Compounds;Nitroso Compounds;Organic Building Blocks.

1-NITROSO-2-NAPHTHOL Toxicity Data With Reference

1.   

mmo-sat 10 µg/plate

   ENMUDM    Environmental Mutagenesis. 3 (1981),499.
2.   

dnr-bcs 10 mmol/L

   JNSVA5    Journal of Nutritional Science and Vitaminology. 25 (1979),317.
      
mouseLD50unreported400mg/kg (400mg/kg) British Journal of Cancer. Vol. 6, Pg. 160, 1952.
ratLDLooral500mg/kg (500mg/kg) National Academy of Sciences, National Research Council, Chemical-Biological Coordination Center, Review. Vol. 5, Pg. 35, 1953.

1-NITROSO-2-NAPHTHOL Consensus Reports

Reported in EPA TSCA Inventory.

1-NITROSO-2-NAPHTHOL Safety Profile

Moderately toxic by ingestion. Many nitroso compounds are carcinogens. Ignites when heated to 124°C. Mutation data reported. When heated to decomposition it emits toxic fumes of NOx. See also NITROSO COMPOUNDS.
Hazard Codes:
    Xn: Harmful
Risk Statements about 1-NITROSO-2-NAPHTHOL(131-91-9):
    R22 Harmful if swallowed.
    R33 Danger of cumulative effects.
    R20/21/22: Harmful by inhalation, in contact with skin and if swallowed.
    R36/37/38: Irritating to eyes, respiratory system and skin.
Safety Statements about 1-NITROSO-2-NAPHTHOL(131-91-9):
    S26 In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. 
    S36 Wear suitable protective clothing.
    S45 In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.)

1-NITROSO-2-NAPHTHOL Specification

1. Storage: Keep container closed when not in use. Store in a tightly closed container. Store in a cool, dry, well-ventilated area away from incompatible substances.
2. Handling: Wash thoroughly after handling. Remove contaminated clothing and wash before reuse. Use with adequate ventilation. Minimize dust generation and accumulation. Avoid contact with eyes, skin, and clothing. Keep container tightly closed. Avoid ingestion and inhalation.
3. Personal Protection: Eyes: Wear appropriate protective eyeglasses or chemical safety goggles as described by OSHA's eye and face protection regulations in 29 CFR 1910.133 or European Standard EN166. Skin: Wear appropriate protective gloves to prevent skin exposure. Clothing: Wear appropriate protective clothing to prevent skin exposure.
4. Fire Fighting: Wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH (approved or equivalent), and full protective gear. During a fire, irritating and highly toxic gases may be generated by thermal decomposition or combustion. Runoff from fire control or dilution water may cause pollution. Extinguishing media: Use agent most appropriate to extinguish fire. In case of fire use water spray, dry chemical, carbon dioxide, or appropriate foam.
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