Is naphthol toxic?
1-Naphthol has an LD,, of 2.3 g/kg. No significant toxicity findings were reported in either subchronic or chronic studies. It is concluded that I-Naphthol may be safely used in cosmetic products in the present practices of use and concentration.
Is naphthol harmful to the environment?
N Dangerous for the environment Xn Harmful R21/22 Harmful in contact with skin and if swallowed. R37/38 Irritating to respiratory system and skin. R41 Risk of serious damage to eyes. R51/53 Toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment.
What is naphthol used for?
The compound 2-naphthol, or β-naphthol, is regarded as the most important chemical intermediate based on naphthalene. It is manufactured by fusing 2-naphthalenesulfonic acid with caustic soda and is converted into numerous dyes and dye intermediates, as well as into tanning agents, antioxidants, and antiseptics.
Is 1-naphthol an alcohol?
1-Naphthol, or α-naphthol, is a fluorescent organic compound with the formula C10H7OH. It is a white solid. It is an isomer of 2-naphthol differing by the location of the hydroxyl group on the naphthalene ring. Both isomers are soluble in simple alcohols, ethers, and chloroform.
What are hazards of diethyl ether?
* Breathing Diethyl Ether can cause drowsiness, excitement, dizziness, vomiting, irregular breathing, and increased saliva. High exposure can cause unconsciousness and even death. * High exposure may affect the kidneys. * Repeated or prolonged skin contact can cause drying, scaling and cracking of the skin.
Are mothball fumes toxic?
The chemicals in mothballs are toxic to humans and pets. People are exposed to the chemicals in mothballs by inhaling the fumes. Extended exposure to mothballs can also cause liver and kidney damage.
How do you get rid of naphthalene?
One of the most successful methods for ridding the mothball smell from clothing is to soak the affected garments in a solution of equal parts water and vinegar. Alternatively, put the clothes in the washing machine and run a cycle using only vinegar; follow up with another wash cycle using detergent and softener.
Is naphthol carcinogenic?
The International Agency for Research on Cancer (IARC) of the World Health Organization (WHO) concluded that naphthalene is possibly carcinogenic to humans. The U.S. EPA classified naphthalene as a possible human carcinogen, also based on animal studies.
What does naphthol mean?
Definition of naphthol 1 : either of two isomeric derivatives C10H8O of naphthalene used as antiseptics and in the manufacture of dyes. 2 : any of various hydroxy derivatives of naphthalene that resemble the simpler phenols.
Is 1 naphthol flammable?
Non-flammable solid. When heated to decomposition, emits acrid fumes. 1 Protective equipment and precautions for firefighters: Use foam or dry chemical to extinguish fire.
Is hexane toxic?
In humans, n-hexane is of low acute toxicity. No cases of lethality were reported after inhalation of n-hexane or commercial hexane.