Prilled Potassium Hydroxide CAS#1310-58-3

CAS Number: 1310-58-3
Chemical Formula: KOH
Synonyms:

Prilled Granular Caustic Potash
Electroplating Grade Granular Potassium Hydroxide
Metallurgy Raw Material KOH Pellet

Appearance: White uniform spherical granule, low dusting, easy dissolution

MOQ (Minimum Order Quantity):1FCL 25MT(25kg woven bag), 1 pallet small trial available

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Product Details

Prilled Potassium Hydroxide CAS#1310-58-3

This prilled granular potassium hydroxide is produced via high-temperature spray prilling craft, forming uniform spherical particle with low dust generation and rapid water dissolution performance. Strict control on chloride and iron impurity content avoids plating pinhole and surface black spot defect during electroplating production, which is specially refined to satisfy strict raw material standard of electroplating and non-ferrous metallurgy industries. The stable granular shape prevents agglomeration during long-term storage under normal warehouse environment.

Test Item	Electroplating Grade Granule	Metallurgy Flotation Grade Granule
KOH Assay	≥90.0%	≥88.5%
K₂CO₃ Carbonate	≤0.8%	≤1.2%
Chloride(Cl)	≤0.02%	≤0.05%
Fe Heavy Metal	≤15ppm	≤30ppm
Granular Size	0.8~1.6mm	1.0~2.0mm

Potassium hydroxide Chemical Properties

Melting point	361 °C (lit.)
Boiling point	1320°C
density	1.450 g/mL at 20 °C
vapor pressure	1 mm Hg ( 719 °C)
refractive index	n20/D 1.421
Fp	52 °F
storage temp.	Store at +5°C to +30°C.
solubility	H2O: 1 M at 20 °C, clear, colorless
form	powder
Specific Gravity	1.09
color	white
Odor	Odorless
PH	10.98(1 mM solution);11.95(10 mM solution);12.88(100 mM solution);
explosive limit	3.5-15.0%(V) (ethanol)
Water Solubility	soluble
Sensitive	Air Sensitive & Hygroscopic
Merck	14,7640
Exposure limits	Ceiling in air 2 mg/m3 (ACGIH).
Dielectric constant	3.3（Ambient）
Stability:	Stable, but very hygroscopic. Dissolves exothermically in water. Incompatible with most metals, strong acids, acid chlorides, organic materials, zinc, aluminium, nitroalkanes, nitrobenzene, chlorine dioxide. Reacts vigorously with a wide variety of other materials. Readily absorbs water and carbon dioxide from the air.
Cosmetics Ingredients Functions	BUFFERING
InChI	1S/K.H2O/h;1H2/q+1;/p-1
InChIKey	KWYUFKZDYYNOTN-UHFFFAOYSA-M
SMILES	[OH-].[K+]
LogP	-1.380 (est)
CAS DataBase Reference	1310-58-3(CAS DataBase Reference)
NIST Chemistry Reference	Potassium hydroxide(1310-58-3)
EPA Substance Registry System	Potassium hydroxide (1310-58-3)

Safety Information

Hazard Codes	C,F,T,Xi
Risk Statements	34-35-22-11-39/23/24/25-23/24/25-36/38-36/37-67-52/53
Safety Statements	7-16-36/37-45-36/37/39-26-61
RIDADR	UN 1813 8/PG II (POTASSIUM HYDROXIDE, SOLID)
RIDADR	UN 1814 8/PG II/III (POTASSIUM HYDROXIDE SOLUTION)
OEL	Ceiling: 2 mg/m3
WGK Germany	1
RTECS	TT2100000
F	3
Autoignition Temperature	425 °C (ethanol)
TSCA	TSCA listed
HazardClass	8
PackingGroup	II
HS Code	28259090
Storage Class	8A - Combustible corrosive hazardous materials
Hazard Classifications	Acute Tox. 4 Oral Eye Dam. 1 Met. Corr. 1 Skin Corr. 1A
Hazardous Substances Data	1310-58-3(Hazardous Substances Data)
Toxicity	LD50 orally in rats: 1.23 g/kg (Smyth)

Product Application Of Prilled Potassium Hydroxide CAS#1310-58-3

In electroplating field, it works as core alkaline regulator for zinc plating, copper plating and nickel plating bath solution to adjust PH value steadily and improve coating compactness; in metallurgy industry, it is widely applied for tungsten, molybdenum mineral flotation separation and non-ferrous metal smelting leaching process. Standard package adopts 25kg moisture-proof woven bag lined with PE inner film, full set MSDS, COA and dangerous goods export certification can be provided for global customs clearance, spot stock supports fast delivery within 4 working days after order confirmation.

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