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Poly(vinyl alcohol)

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Name

Poly(vinyl alcohol)

EINECS 209-183-3
CAS No. 9002-89-5 Density 1.30 g/cm3
Solubility soluble in hot water Melting Point 230-240 oC
Formula (C2H4O)n Boiling Point 23.5oC at 760 mmHg
Molecular Weight 44.05260 Flash Point 79 oC
Transport Information Appearance white granule
Safety 24/25 Risk Codes
Molecular Structure Molecular Structure of 9002-89-5 (Ethenol, homopolymer) Hazard Symbols
Synonyms

Poly(1-hydroxyethylene);Poly(Vinyl Alcohol);

 

Poly(vinyl alcohol) Specification

The Poly(vinyl alcohol), with the CAS registry number 9002-89-5, is also known as Partially hydrolysed polyvinyl alcohol. It belongs to the product categories of Polymer Science;Polymers;Vinyl Alcohols.This chemical's molecular formula is (C2H4O)n.What's more,Its systematic name is Polyvinyl alcohol.It is a polymer prepared from polyvinyl acetates by replacement of the acetate groups with hydroxyl groups. It is used as a pharmaceutic aid and ophthalmic lubricant as well as in the manufacture of surface coatings artificial sponges, cosmetics, and other products.Consumption of Poly(vinyl alcohol) was over one million metric tons in 2006.Larger producers include Kuraray (Japan and Europe) and Celanese (USA) but mainland China has installed a number of very large production facilities in the past decade and currently accounts for 45% of world capactity.It should be Store in a tightly closed container,and be cool, dry, well-ventilated area away from incompatible substances.

Safety Information of Poly(vinyl alcohol):
The Poly(vinyl alcohol) is Toxic by inhalation, in contact with skin and if swallowed. It is irritating to eyes and skin and danger of very serious irreversible effects. In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. When you use it ,wear suitable protective clothing and gloves.  Avoid contact with skin and eyes. In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.) .

Some uses of Poly(vinyl alcohol) include:
(1)Adhesive and thickener material in latex paints, paper coatings, release liner, hairsprays, shampoos and glues; (2)T.extile sizing agent; (3)Carbon dioxide barrier in polyethylene terephthalate (PET) bottles; (4)Carotid phantoms for use as synthetic vessels in doppler flow testing; (5)Movie practical effect and children's play putty or slime when combined with borax; (6)Feminine hygiene and adult incontinence products as a biodegradable plastic backing sheet; (7)As a mold release because materials such as epoxy do not stick to it; (8)As a water-soluble film useful for packaging; (9)As fiber reinforcement in concrete; (10)As a surfactant for the formation of polymer encapsulated nanobeads.

The toxicity data of Poly(vinyl alcohol) as follows:

Organism Test Type Route Reported Dose (Normalized Dose) Effect Source
guinea pig LD50 oral 18750mg/kg (18750mg/kg) BEHAVIORAL: MUSCLE WEAKNESS

GASTROINTESTINAL: "HYPERMOTILITY, DIARRHEA"

LIVER: OTHER CHANGES
Gigiena i Sanitariya. For English translation, see HYSAAV. Vol. 55(5), Pg. 9, 1990.
mouse LD50 oral 14270mg/kg (14270mg/kg) BEHAVIORAL: MUSCLE WEAKNESS

GASTROINTESTINAL: "HYPERMOTILITY, DIARRHEA"

LIVER: OTHER CHANGES
Gigiena i Sanitariya. For English translation, see HYSAAV. Vol. 55(5), Pg. 9, 1990.
mouse LD50 oral 14700mg/kg (14700mg/kg) BEHAVIORAL: ALTERED SLEEP TIME (INCLUDING CHANGE IN RIGHTING REFLEX)

BEHAVIORAL: SOMNOLENCE (GENERAL DEPRESSED ACTIVITY)

BEHAVIORAL: MUSCLE WEAKNESS
Gigiena i Sanitariya. For English translation, see HYSAAV. Vol. 51(10), Pg. 75, 1986.
rat LD50 oral > 20gm/kg (20000mg/kg) BEHAVIORAL: ALTERED SLEEP TIME (INCLUDING CHANGE IN RIGHTING REFLEX)

BEHAVIORAL: SOMNOLENCE (GENERAL DEPRESSED ACTIVITY)

BEHAVIORAL: MUSCLE WEAKNESS
Gigiena i Sanitariya. For English translation, see HYSAAV. Vol. 51(10), Pg. 75, 1986.
rat LD50 oral 23854mg/kg (23854mg/kg) BEHAVIORAL: MUSCLE WEAKNESS

GASTROINTESTINAL: "HYPERMOTILITY, DIARRHEA"

LIVER: OTHER CHANGES
Gigiena i Sanitariya. For English translation, see HYSAAV. Vol. 55(5), Pg. 9, 1990.

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