Zinc Carbonate Extra Pure

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Zinc Carbonate Extra Pure is a high-purity white, odorless powder or granular solid with the formula ZnCO₃. It serves as an essential inorganic compound widely used in analytical laboratories, pharmaceutical, cosmetic, and agricultural industries. Its insolubility in water and decomposition at moderate heat make it useful as a precursor to zinc oxide and other zinc-based chemicals. In laboratory applications, it functions as a reagent and buffer agent, while in pharmaceutical and cosmetic fields, it is valued for its mild antiseptic and astringent properties. Environmentally, it is considered low toxicity and stable, provided it is handled correctly and kept away from acids and moisture. Proper storage and safety precautions are vital to maintain its purity and effectiveness.

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Categories: Analytical Reagents, Inorganic and Organic Standards Tags: AgriculturalChemical, AnalyticalReagent, cosmeticingredient, ExtraPure, HighPurity, InorganicSalt, LaboratoryChemical, PharmaceuticalGrade, ZincCarbonate, ZnCO3

Description

Table of Contents

Zinc Carbonate Extra Pure

PRIMARY USES

Analytical Reagent & Laboratory Applications:

Used as a standard reagent for quantitative analysis of zinc content
Employed in preparation of buffer solutions and as a pH regulator in lab formulations
Utilized in chemical synthesis involving carbonate or zinc ions
Important in inorganic and coordination chemistry for precipitation reactions
Used as a precursor in synthesis of zinc oxide and other zinc compounds in research

Pharmaceutical & Cosmetic Industry:

Used as an active ingredient in topical formulations for soothing skin conditions
Acts as an astringent and mild antiseptic in cosmetics and personal care products
Ingredient in powders and ointments for anti-irritant and absorbent properties

Industrial & Chemical Manufacturing:

Intermediate in production of zinc oxide and other zinc-based compounds
Used in rubber and paint industries as a pigment or filler precursor
Serves as a raw material in fertilizers and agricultural chemicals for zinc supplementation

SECONDARY USES

Agricultural Chemicals:

Used in micronutrient formulations to correct zinc deficiency in soils and plants

Food Industry:

Occasionally used as a zinc fortifier in food supplements under regulated conditions

Environmental Applications:

Used in some water treatment processes for removal of heavy metals and adjustment of pH

PRODUCT KEY FEATURES

Basic Identification Attributes
Chemical Name: Zinc Carbonate
CAS Number: 598-62-9
HS Code: 2836.20.00
Molecular Formula: ZnCO₃
Synonyms:

Basic zinc carbonate
Smithsonite (natural mineral form)
Zinc carbonate hydroxide

Physical & Chemical Properties
Physical State: Solid powder or granular
Color & Odor: White, odorless
Melting Point: Decomposes at ~300 °C releasing CO₂
Boiling Point: Not applicable (decomposes before boiling)
Density/Specific Gravity: ~3.3 g/cm³
Solubility:

Insoluble in water
Slightly soluble in acids with release of CO₂
pH Level: Neutral to slightly alkaline in suspension
Vapor Pressure & Volatility: Not volatile
Flash Point: Not flammable
Autoignition Temperature: Not applicable
Viscosity: Not applicable

Safety & Hazard Attributes
Hazard Class (GHS Classification):

May cause mild skin and eye irritation (Category 3 or not classified)
NFPA Ratings:
Health: 1
Flammability: 0
Reactivity: 0
Exposure Limits:
No specific OSHA PEL or ACGIH TLV established
Reactivity:
Stable under normal conditions
Reacts with acids to release carbon dioxide gas

Storage & Handling Attributes
Storage Conditions:

Store in a dry, cool, well-ventilated area
Keep container tightly closed to prevent moisture exposure
Incompatible Materials:
Strong acids (cause decomposition and CO₂ release)
Strong oxidizing agents
Container Type:
Plastic or metal drums, tightly sealed bottles
Shelf Life & Expiration Date:
Stable for years when kept dry
Special Handling Requirements:
Use gloves and eye protection
Avoid inhalation of dust

Regulatory & Compliance Attributes
Regulatory Status:

Approved for pharmaceutical, cosmetic, and agricultural uses (where applicable)
Listed in REACH, TSCA, and other chemical inventories
Transportation Restrictions:
Not classified as hazardous for transport
Waste Disposal Method:
Dispose according to local environmental regulations

Environmental & Health Impact
Ecotoxicity:

Low toxicity to aquatic organisms
Minimal environmental persistence
Persistence in Environment:
Slowly dissolves in acidic environments, releasing zinc ions
Carcinogenicity/Mutagenicity:
Not classified as carcinogenic or mutagenic
Biodegradability:
Inorganic; not biodegradable but environmentally benign in small quantities

SAFETY HANDLING PRECAUTIONS

SAFETY PRECAUTIONS
Personal Protective Equipment (PPE):

Wear chemical-resistant gloves
Use safety goggles or face shield
Wear protective clothing
Use dust mask if handling powder in dusty conditions

Handling:

Avoid generating dust
Work in a well-ventilated area
Wash hands after handling

Storage:

Store in sealed containers away from acids and moisture

FIRST AID MEASURES
Inhalation:

Move to fresh air if irritation occurs
Seek medical attention if symptoms persist

Skin Contact:

Wash with soap and water
Remove contaminated clothing
Seek medical advice if irritation develops

Eye Contact:

Rinse with plenty of water for at least 15 minutes
Seek medical attention if irritation persists

Ingestion:

Rinse mouth with water
Seek medical advice if discomfort occurs

FIRE FIGHTING MEASURES
Flammability:

Non-flammable solid
Extinguishing Media:
Use water spray, foam, dry chemical, or CO₂
Hazardous Combustion Products:
May release CO₂ on decomposition when heated strongly
Firefighter Protection:
Wear full protective gear and self-contained breathing apparatus if involved in fire