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3811-73-2

Name Sodium omadine
CAS 3811-73-2
EINECS(EC#) 223-296-5
Molecular Formula C5H4NNaOS
MDL Number MFCD01941547
Molecular Weight 149.15
MOL File 3811-73-2.mol

Chemical Properties

Definition Apparently exists in equilibrium with the -SH form. Forms chelates with iron, manganese, zinc, etc.
Appearance Clear solution
Melting point  -25 °C
Boiling point  109 °C
density  1.22
refractive index  1.4825
storage temp.  Hygroscopic, -20°C Freezer, Under inert atmosphere
solubility  H2O: 0.1 M at 20 °C, clear, faintly yellow
form  Solution
color  very deep brown
Water Solubility  54.7 g/100 mL
Sensitive  Hygroscopic
λmax 334nm(H2O)(lit.)
Merck  14,7994
Detection Methods T,NMR
BRN  4026050
InChIKey WNGMMIYXPIAYOB-UHFFFAOYSA-M
Uses

sodium pyrithione is a preservative that is not commonly used because of some level of toxicity. It is prohibited in Canada, and it is on the eu Annex II list of substances that must not form part of a cosmetic product composition.

CAS DataBase Reference 3811-73-2(CAS DataBase Reference)
EPA Substance Registry System 3811-73-2(EPA Substance)

Safety Data

Hazard Codes  Xn,Xi
Risk Statements 

R22:Harmful if swallowed.
R36/37/38:Irritating to eyes, respiratory system and skin .
R36/38:Irritating to eyes and skin .

Safety Statements 

S26:In case of contact with eyes, rinse immediately with plenty of water and seek medical advice .
S36:Wear suitable protective clothing .
S24/25:Avoid contact with skin and eyes .
S37/39:Wear suitable gloves and eye/face protection .

RIDADR  UN 3334
WGK Germany  3
RTECS  UT9000000
3-13
TSCA  Yes
HS Code  29333990
Safety Profile

Poison by intraperitoneal and intravenous routes. Moderately toxic by ingestion, subcutaneous and parenteral routes. Used in preservation of cosmetics. When heated to decomposition it emits very toxic fumes of Na2O, NOx, and SOx. See also MERCAPTANS.

Hazard Information

Material Safety Data Sheet(MSDS)

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