CAS No.13463-41-7,Zinc pyrithione Suppliers

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Basic Information

Molecular Structure:
CAS No.:	13463-41-7
Name:	Zinc pyrithione
Article Data:	270
Cas Database

Formula:	2(C₅H₄NOS)^.Zn
Molecular Weight:	317.708
Synonyms:	2(1H)-Pyridinethione, 1-hydroxy-, zinc complex;2-Mercaptopyridine 1-oxide zinc salt;2-Pyridinethiol-1-oxide, zinc salt;AI3-62421;BC-J;Biocut ZP;Bis(1-hydroxy-2(1H)-pyridinethionato)zinc;
EINECS:	236-671-3
Density:	1.782 g/cm3 (25oC)
Melting Point:	262oC
Boiling Point:	253.8 °C at 760 mmHg
Flash Point:	107.3 °C
Solubility:	<0.1 g/100 mL at 21 °C in water
Appearance:	Fine beige granules
Hazard Symbols:	T+
Risk Codes:	24/25-26-37/38-41
Safety:	26-28-36/37/39-45
Transport Information:	UN 2811 6.1/PG 2
PSA:	101.52000
LogP:	3.34050

Synthetic route

: 3811-73-2
2-mercaptopyridine-1-oxide sodium salt

: 7646-85-7
zinc(II) chloride

: 13463-41-7
zinc pyrithione

Conditions

Conditions	Yield
In water at 70℃; for 1.16667h; Product distribution / selectivity;	99.1%

: 100685-55-0
zinc(II) sulfate monohydrate

: 3811-73-2
2-mercaptopyridine-1-oxide sodium salt

: 13463-41-7
zinc pyrithione

Conditions

Conditions	Yield
In water
In water

: zinc hydroxide nitrate hydrate

: 3811-73-2
2-mercaptopyridine-1-oxide sodium salt

: 13463-41-7
zinc pyrithione

Conditions

Conditions	Yield
With acetic acid In water aq. soln. of sodium pyrithione titrated with glacial acetic acid to pH=6.5, Zn5(OH)8(NO3)2*2H2O added, suspn. stirred for 5-120 min at room temp. under ambient pressure, quenched; ppt. centrifuged, washed with ethanol and deionized water (1:1,v:v), air-dried at 65 °C for 1 d;

: 5Zn(2+)*8(OH)(1-)*2CH3CO2(1-)*99H2O=Zn5(OH)8[CH3CO2]2*99H2O

: 3811-73-2
2-mercaptopyridine-1-oxide sodium salt

: 13463-41-7
zinc pyrithione

Conditions

Conditions	Yield
With acetic acid In water aq. soln. of sodium pyrithione titrated with glacial acetic acid to pH=6.5, Zn5(OH)8(CH3CO2)2*2H2O added, suspn. stirred for 5-120 min at room temp. under ambient pressure, quenched; ppt. centrifuged, washed with ethanol and deionized water (1:1,v:v), air-dried at 65 °C for 1 d;

: Zn5(OH)8(dodecylsulfate)2*99H2O

: 3811-73-2
2-mercaptopyridine-1-oxide sodium salt

: 13463-41-7
zinc pyrithione

Conditions

Conditions	Yield
With acetic acid In water Kinetics; aq. soln. of sodium pyrithione titrated with glacial acetic acid to pH=6.5, Zn5(OH)8(dodecylsulfate)2*2H2O added, suspn. stirred for 5-120 min at room temp. under ambient pressure, quenched; ppt. centrifuged, washed with ethanol and deionized water (1:1,v:v), air-dried at 65 °C for 1 d;

: 10196-18-6
zinc(II) nitrate

: 3811-73-2
2-mercaptopyridine-1-oxide sodium salt

: 13463-41-7
zinc pyrithione

Conditions

Conditions	Yield
In not given addn. of soln. of sodium salt of 1-hydroxypyridine-2-thione to Zn(II) nitrate soln. with stirring; pptn.; filtration; washing (water, ethanol, ether); drying in a desiccator overCaCl2; elem. anal.;

Raw Materials

10196-18-6

7646-85-7

15922-78-8

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Chemistry

The Molecular Structure of Zinc pyrithione (CAS NO.13463-41-7):

Molecular formula :C₁₀H₈N₂O₂S₂Zn
Molar mass: 317.70 g/mol
Nominal Mass: 316 Da
Average Mass: 317.7217 Da
Monoisotopic Mass: 315.931864 Da
EINECS: 236-671-3
IUPAC Name: zinc 1-oxidopyridine-2-thione
Product Categories: Organometallics;Heterocyclic Compounds;Classes of Metal Compounds;Transition Metal Compounds;Zn (Zinc) Compounds
Water Solubility: Insoluble (<0.1 g/100 mL at 21 ºC)
InChI
InChI=1/2C5H5NOS.Zn/c2*7-6-4-2-1-3-5(6)8;/h2*1-4,8H;/q;;+2/p-2/rC10H8N2O2S2Zn/c13-11-7-3-1-5-9(11)15-17-16-10-6-2-4-8-12(10)14/h1-8H
Smiles
c1([n+](cccc1)[O-])S[Zn]Sc1[n+](cccc1)[O-]

Uses

1. Zinc pyrithione (CAS NO.13463-41-7) can be used as an antifungal and antibacterial agent. It has antibacterial properties and is effective against many pathogens from the streptococcus and staphylococcus class.It is best known in treating dandruff and seborrhoeic dermatitis.It is also used in treating psoriasis, eczema, fungus,ringworm, athletes foot, dry skin, tinea,atypical dermatitis, and vitiligo.
2.Used in paint:due to its low solubility in water (8 ppm at neutral pH), Zinc pyrithione (CAS NO.13463-41-7) is suitable for use in outdoor paints and other products that provide protection against mildew and algae. When used in latex paints and the water contains high amount of iron, a sequestering agent that will preferentially bind the iron ions is needed. Its decomposition by ultraviolet light is slow, providing years of protection even against direct sunlight.

Toxicity Data With Reference

Organism	Test Type	Route	Reported Dose (Normalized Dose)	Effect	Source
dog	LD50	oral	600mg/kg (600mg/kg)		Clinical Toxicology. Vol. 13, Pg. 1, 1978. Link to PubMed
dog	LDLo	intravenous	25mg/kg (25mg/kg)	BRAIN AND COVERINGS: RECORDINGS FROM SPECIFIC AREAS OF CNS SENSE ORGANS AND SPECIAL SENSES: MYDRIASIS (PUPILLARY DILATION): EYE BEHAVIORAL: SOMNOLENCE (GENERAL DEPRESSED ACTIVITY)	Toxicology and Applied Pharmacology. Vol. 9, Pg. 269, 1966. Link to PubMed
guinea pig	LD50	oral	> 2gm/kg (2000mg/kg)		Toxicology and Applied Pharmacology. Vol. 7, Pg. 425, 1965.
mammal (species unspecified)	LC50	inhalation	140mg/m3/4H (140mg/m³)		United States Environmental Protection Agency, Office of Pesticides and Toxic Substances. Vol. 8EHQ-0790-1035,
monkey	LDLo	intravenous	25mg/kg (25mg/kg)	SENSE ORGANS AND SPECIAL SENSES: OTHER: EYE	Toxicology and Applied Pharmacology. Vol. 9, Pg. 269, 1966.
mouse	LD50	intraperitoneal	26800ug/kg (26.8mg/kg)		Oyo Yakuri. Pharmacometrics. Vol. 8, Pg. 1067, 1974.
mouse	LD50	oral	160mg/kg (160mg/kg)		Clinical Toxicology. Vol. 13, Pg. 1, 1978.
mouse	LD50	subcutaneous	730mg/kg (730mg/kg)		Clinical Toxicology. Vol. 13, Pg. 1, 1978.
rabbit	LD50	skin	100mg/kg (100mg/kg)		Yakkyoku. Pharmacy. Vol. 32, Pg. 965, 1981.
rabbit	LDLo	intravenous	10mg/kg (10mg/kg)	BEHAVIORAL: CHANGES IN MOTOR ACTIVITY (SPECIFIC ASSAY)	Toxicology and Applied Pharmacology. Vol. 9, Pg. 269, 1966.
rat	LC50	inhalation	140mg/m3/4H (140mg/m³)	LUNGS, THORAX, OR RESPIRATION: ACUTE PULMONARY EDEMA LUNGS, THORAX, OR RESPIRATION: DYSPNEA	National Technical Information Service. Vol. OTS0527753-1,
rat	LD50	oral	177mg/kg (177mg/kg)		Toxicology Annual. Vol. 3, Pg. 1, 1979.

Safety Profile

Hazard Codes: Very T+
Risk Statements: 24/25-26-37/38-41
R24/25: Toxic in contact with skin and if swallowed
R26: Very Toxic by inhalation
R37/38: Irritating to respiratory system and skin
R41: Risk of serious damage to the eyes
Safety Statements: 26-28-36/37/39-45
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice
S28: After contact with skin, wash immediately with plenty of soap-suds
S36/37/39: Wear suitable protective clothing, gloves and eye/face protection
S45: In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.)
RIDADR: UN 2811 6.1/PG 2
WGK Germany: 3
RTECS: ZH0950000
HazardClass: 6.1(b)
PackingGroup: III

Specification

Zinc pyrithione (CAS NO.13463-41-7) is also called as 1-Hydroxy-2-pyridine thione, zn salt ; 1-Hydroxypyridine-2-thione zinc ; 1-Hydroxypyridine-2-thione zinc salt ; 2-Pyridinethiol 1-oxide zinc salt ; 2-Mercaptopyridine n-oxide zinc ; 2-Mercaptopyridine n-oxide zinc salt ; 2-Mercaptopyridine-1-oxide zinc salt ; Mercaptopyridine n-oxide zinc salt .