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Casein

CAS No.: 9000-71-9
Formula: C81H125N22O39P
Molecular Weight: 2061.956961
Suppliers: All(0) China Suppliers(0) Products(38)
  • Description
  • Basic Info
  • Safety Info
  • MSDS
  • Price
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What is Casein

**Introduction to Casein** Casein is a high-quality, slow-digesting protein derived from milk, making it an excellent choice for sustained muscle recovery and growth. Comprising about 80% of milk's protein content, casein forms a gel-like substance in the stomach, providing a gradual release of amino acids over several hours—ideal for overnight recovery or between meals. Rich in essential amino acids, particularly glutamine and calcium, it supports muscle repair, bone health, and immune function. Popular among athletes and fitness enthusiasts, casein is commonly consumed as a supplement in powder form, blended into shakes, or used in protein-enriched foods. Its slow absorption makes it a perfect complement to fast-acting proteins like whey.

Preparation Process: **Preparation of Casein:** 1. **Source Selection:** Obtain fresh skim milk as the primary source of casein. 2. **Acid Precipitation:** Adjust the milk pH to 4.6 (isoelectric point) using dilute hydrochloric acid or acetic acid, causing casein to precipitate. 3. **Separation:** Centrifuge or filter the mixture to separate the curds (casein) from the whey. 4. **Washing:** Rinse the curds with water to remove residual lactose and salts. 5. **Neutralization (Optional):** For soluble caseinates, dissolve the precipitate in alkali (e.g., NaOH) and spray-dry. 6. **Drying:** Air-dry or lyophilize the casein to obtain a powdered form. 7. **Storage:** Keep in a cool, dry place to prevent moisture absorption. (100 words)

Usage Scenarios: Casein, a milk-derived protein, is widely used in food production as a thickening, emulsifying, and stabilizing agent in products like cheese, yogurt, and protein supplements. It enhances texture and shelf life in processed foods. In pharmaceuticals, casein serves as a binder in tablets and a carrier for drug delivery. Industrial applications include adhesives, coatings, and biodegradable plastics due to its film-forming properties. Cosmetics utilize casein for its moisturizing and conditioning effects in skincare and haircare products. Additionally, it is a key ingredient in sports nutrition for muscle recovery and growth due to its slow-digesting amino acid profile.

Casein Basic Info
Chemical Name Casein
Synonyms CASEIN ACID;ALPHA-CASEIN;Caseins;Caseine;CASEIN 2;CASEIN, FROM MILK;CSN2;CASB;Cajein;CASEIN
CAS No. 9000-71-9
Molecular Formula C81H125N22O39P
Molecular Weight 2061.956961
PSA -
LogP -
Safely Info
RTECS FI3519500
Hazard Class -
Safety Statements 24/25
HS Code 35011000
WGK Germany -
Packing Group -
RIDADR -
Risk Statements -
Hazard Codes -
Caution Statement P280-P261-P271
Hazard Declaration H315-H319-H335
Symbol GHS07
Signal Word Warning
Casein Price
Here is a rough price range for the chemical product "Casein" in the 18 countries listed. Note that prices can vary based on quality, grade, and market conditions, and some countries may not have readily available data:

1. **United States**: $5 - $10 per kg
2. **China**: $4 - $8 per kg
3. **Russia**: $6 - $12 per kg
4. **Germany**: $7 - $13 per kg
5. **India**: $3 - $7 per kg
6. **Japan**: $8 - $15 per kg
7. **Brazil**: $5 - $10 per kg
8. **South Korea**: $7 - $14 per kg
9. **Philippines**: No results
10. **United Kingdom**: $8 - $14 per kg
11. **France**: $7 - $13 per kg
12. **Mexico**: $5 - $9 per kg
13. **Canada**: $6 - $12 per kg
14. **South Africa**: $4 - $9 per kg
15. **Egypt**: No results
16. **Turkey**: $5 - $10 per kg
17. **Thailand**: $4 - $8 per kg
18. **Indonesia**: No results

These ranges are approximate and based on general market trends. Prices may vary depending on the supplier, quantity, and specific type of casein (e.g., edible, technical).
MSDS
MSDS
Name: Casein Tech. Material Safety Data Sheet
Synonym: Caseinat
CAS: 9000-71-9
Section 1 - Chemical Product   MSDS Name:Casein Tech. Material Safety Data Sheet
Synonym:Caseinat

Section 2 - COMPOSITION, INFORMATION ON INGREDIENTS
CAS# Chemical Name content EINECS#
9000-71-9 Casein 100 232-555-1
Hazard Symbols: None Listed.
Risk Phrases: None Listed.

Section 3 - HAZARDS IDENTIFICATION
  EMERGENCY OVERVIEW
Not available.
Potential Health Effects
Eye:
Dust may cause mechanical irritation.
Skin:
May cause skin irritation. Low hazard for usual industrial handling.
Ingestion:
Ingestion of large amounts may cause gastrointestinal irritation.
Inhalation:
May cause respiratory tract irritation. Low hazard for usual industrial handling.
Chronic:
No information found.

Section 4 - FIRST AID MEASURES
  Eyes: Flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower eyelids. If irritation develops, get medical aid.
Skin:
Flush skin with plenty of water for at least 15 minutes while removing contaminated clothing and shoes. Get medical aid if irritation develops or persists. Wash clothing before reuse.
Ingestion:
Do not induce vomiting. If victim is conscious and alert, give 2-4 cupfuls of milk or water. Get medical aid.
Inhalation:
Remove from exposure and move to fresh air immediately. If not breathing, give artificial respiration. If breathing is difficult, give oxygen. Get medical aid if cough or other symptoms appear.
Notes to Physician:

Section 5 - FIRE FIGHTING MEASURES
  General Information:
As in any fire, wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH (approved or equivalent), and full protective gear. During a fire, irritating and highly toxic gases may be generated by thermal decomposition or combustion. This material in sufficient quantity and reduced particle size is capable of creating a dust explosion.
Extinguishing Media:
In case of fire, use water, dry chemical, chemical foam, or alcohol-resistant foam.

Section 6 - ACCIDENTAL RELEASE MEASURES
  General Information: Use proper personal protective equipment as indicated in Section 8.
Spills/Leaks:
Vacuum or sweep up material and place into a suitable disposal container. Clean up spills immediately, observing precautions in the Protective Equipment section. Avoid generating dusty conditions.
Provide ventilation.

Section 7 - HANDLING and STORAGE
  Handling:
Wash thoroughly after handling. Use with adequate ventilation.
Minimize dust generation and accumulation. Avoid contact with eyes, skin, and clothing. Keep container tightly closed. Avoid ingestion and inhalation.
Storage:
Store in a tightly closed container. Keep from contact with oxidizing materials. Storage under a nitrogen blanket has been recommended.

Section 8 - EXPOSURE CONTROLS, PERSONAL PROTECTION
  Engineering Controls:
Facilities storing or utilizing this material should be equipped with an eyewash facility and a safety shower. Use adequate ventilation to keep airborne concentrations low.
Exposure Limits CAS# 9000-71-9: Personal Protective Equipment Eyes: Wear appropriate protective eyeglasses or chemical safety goggles as described by OSHA's eye and face protection regulations in 29 CFR 1910.133 or European Standard EN166.
Skin:
Wear appropriate gloves to prevent skin exposure.
Clothing:
Wear appropriate protective clothing to minimize contact with skin.
Respirators:
Follow the OSHA respirator regulations found in 29 CFR 1910.134 or European Standard EN 149. Use a NIOSH/MSHA or European Standard EN 149 approved respirator if exposure limits are exceeded or if irritation or other symptoms are experienced.

Section 9 - PHYSICAL AND CHEMICAL PROPERTIES
 
Physical State: Solid
Color: white
Odor: none reported
pH: Not available.
Vapor Pressure: Negligible.
Viscosity: Not applicable.
Boiling Point: Not available.
Freezing/Melting Point: 536 deg F
Autoignition Temperature: Not applicable.
Flash Point: Not applicable.
Explosion Limits, lower: Not available.
Explosion Limits, upper: Not available.
Decomposition Temperature: Not available.
Solubility in water: Negligible in water.
Specific Gravity/Density: 1.25 (water=1)
Molecular Formula: Mixture
Molecular Weight: 0

Section 10 - STABILITY AND REACTIVITY
  Chemical Stability:
Stable at room temperature in closed containers under normal storage and handling conditions.
Conditions to Avoid:
Incompatible materials, dust generation, moisture, excess heat.
Incompatibilities with Other Materials:
Strong oxidizers.
Hazardous Decomposition Products:
Carbon monoxide, oxides of nitrogen, irritating and toxic fumes and gases, carbon dioxide.
Hazardous Polymerization: Has not been reported.

Section 11 - TOXICOLOGICAL INFORMATION
  RTECS#:
CAS# 9000-71-9 unlisted.
LD50/LC50:
Not available.
Carcinogenicity:
Casein - Not listed by ACGIH, IARC, or NTP.

Section 12 - ECOLOGICAL INFORMATION
 

Section 13 - DISPOSAL CONSIDERATIONS
  Dispose of in a manner consistent with federal, state, and local regulations.

Section 14 - TRANSPORT INFORMATION
 
IATA
Not regulated as a hazardous material.
IMO
Not regulated as a hazardous material.
RID/ADR
Not regulated as a hazardous material.

Section 15 - REGULATORY INFORMATION
 
European/International Regulations
European Labeling in Accordance with EC Directives
Hazard Symbols: Not available.
Risk Phrases:
Safety Phrases:
S 24/25 Avoid contact with skin and eyes.
WGK (Water Danger/Protection)
CAS# 9000-71-9: 0
Canada
CAS# 9000-71-9 is listed on Canada's DSL List.
CAS# 9000-71-9 is not listed on Canada's Ingredient Disclosure List.
US FEDERAL
TSCA
CAS# 9000-71-9 is listed on the TSCA inventory.


SECTION 16 - ADDITIONAL INFORMATION
N/A
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