SYNTECH

Calcium Chloride (CaCl₂) – Technical Datasheet

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1. Basic Specifications

• Chemical Formula: CaCl₂ (anhydrous) / CaCl₂·2H₂O (dihydrate)
• CAS No:
  • Anhydrous: 10043-52-4
  • Dihydrate: 10035-04-8
• Appearance:
  • Anhydrous: White powder or granules
  • Dihydrate: White flakes or pellets
• Odor: Odorless

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2. Key Properties

Parameter	Anhydrous	Dihydrate
Molecular Weight	110.98 g/mol	147.01 g/mol
Calcium Content	36.1%	27.2%
Chloride Content	63.9%	48.2%
Melting Point	772°C	176°C (dehydrates)
Density	2.15 g/cm³	1.85 g/cm³
Solubility (20°C)	74.5 g/100g water	97 g/100g water
pH (10% sol.)	7-9	7-9

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3. Commercial Forms & Grades

1. Industrial Grade (94-97% purity)
   • Dust control
   • Concrete acceleration
2. Food Grade (FCC compliant)
   • E509 additive
   • Cheese making
3. Pharma Grade (USP)
   • Medicine formulations
   • IV solutions
4. Technical Grade (77-80%)
   • Dihydrate form
   • Deicing applications

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4. Primary Applications

A. Industrial Uses

• Deicing & Dust Control (30-38% solution)
  • Effective to -51°C (-60°F)
  • Less corrosive than NaCl
• Concrete Acceleration
  • Reduces setting time by 50%
  • Dosage: 1-2% by cement weight
• Oil & Gas
  • Brine fluids (1.20-1.40 SG)
  • Shale stabilizer

B. Food Processing

• Preservative (E509)
• Electrolyte in sports drinks
• Tofu coagulant

C. Other Applications

• Desiccant (moisture absorption up to 300% its weight)
• Wastewater treatment
• Refrigerant brine

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5. Handling & Storage

• Storage Conditions:
  • Airtight containers (HDPE recommended)
  • RH <50% for anhydrous form
• Bulk Handling:
  • Pneumatic trucks for powder
  • Heated tanks for liquid (prevents crystallization)
• Shelf Life:
  • 24 months (proper storage)
  • Dihydrate may cake over time

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6. Safety & Regulatory

• NFPA Rating:
  • Health: 1
  • Flammability: 0
  • Reactivity: 0
• First Aid:
  • Skin: Wash with water
  • Eyes: Flush for 15 mins
  • Ingestion: Drink water
• Environmental:
  • LD50 (oral rat): 1,000-2,000 mg/kg
  • Readily biodegradable

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7. Comparison with Alternatives

Feature	CaCl₂	NaCl	MgCl₂
Min. Working Temp	-51°C	-9°C	-15°C
Moisture Absorption	High	None	Moderate
Concrete Compatibility	Excellent	Poor	Fair
Cost	$$	$	$$$

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8. Ordering Information

• Packaging Options:
  • 25kg bags (powder)
  • 1MT supersacks (granular)
  • Bulk liquid (30-38% solution)
• Customization:
  • Particle size distribution
  • Additive packages
  • Special purity requirements

Calcium Chloride 95%

Product Data Sheet of

Calcium Chloride 95%

CAS NO.:10043-52-4

Item	Specification
Apperance	White powder, granule
Calcium chloride(CaCl2)  ≥	95%
Alkali chloride as NaCl ≤	5.0%
Sulfate as CaSO4   ≤	0.05%
Water insolubles     ≤	0.25%
Alkalinity(As Ca(OH)2) ≤	0.25%
Ph value	7.5-11
Packing	25kg PP bag, with high pressure lining; or according the customer’s requirement.
Usage	Oil drilling fluids and petrochemical, used in melting snow, dust prevention,Anti-freeze, food industry, electronics, leather and so on.

Calcium Chloride 94% powder

Certificate of Analysis

Calcium Chloride anhydrous

Standard: GB/T26520-2011

BATCH NO.:STCC230520

MANUFACTURE DATE:May 20, 2023

EXPIRY DATE:May 19, 2025

Test Date：20230520

Item	Standard	Check Conclusion
Content(CaCl2)           %	≥     94	94.35
NaCl                   %	≤     5.0	2.5
MgCl2                  %	≤     0.5	0.2
Ca(OH)2                %	≤     0.25	0.12
Water insoluble matter    %	≤     0.25	0.15
PH  value	7.5-11	8
CaSO4                          %	≤     0.05	0.03
Fe                  ppm	≤     6	5
Result	Pass  test

Calcium Chloride 94%(syntech)

Certificate of Analysis

Calcium Chloride anhydrous

Production Date:25th Sep，2023	Batch No.: 2023092501
Test Date:25th Sep，2023	Report No.: 2023092501
Inspection Items	Technical Index	Inspection Results
Molecular Formula	CaCl2
Appearance	White prills	White prills
Calcium Chloride   %	94.0%min	96.8
Alkalinity(with Ca(OH)2)	0.25%max	0.12
Alkali metal chloride(with NaCL)	5%max	2.5
Sulphate(As CaSO4 )%	0.05%max	0.04
Water insoluble %	0.25%max	0.16
PH	7.5~11.0	8.8
Result	Pass test

Product Data Sheet of

Calcium Chloride 94%

CAS NO.:10043-52-4

Item	Specification
Apperance	White powder, granule
Calcium chloride(CaCl2)  ≥	94%
Alkali chloride as NaCl ≤	5.0%
Sulfate as CaSO4   ≤	0.05%
Water insolubles     ≤	0.25%
Alkalinity(As Ca(OH)2) ≤	0.25%
Ph value	7.5-11
Packing	25kg PP bag, with high pressure lining; or according the customer’s requirement.
Usage	Oil drilling fluids and petrochemical, used in melting snow, dust prevention,Anti-freeze, food industry, electronics, leather and so on.

Calcium Chloride 77%

Certificate of Analysis

Product: 77% calcium chloride flakes

QTY:5000MT

Batch No.: STCC230508

Production Date：20230508

Item	Specification	Result
Calcium chloride(CaCl2)	77~80%WT	80.0%
Magnesium MgCl2	0.23~0.42% WT	0.4%
Alkali chlorides as NaCl	1.5~6.8%WT	2.4%
Heavy metal as PB	0.005%WT MAX	0.003%
Sulfate as CaSO4	0.05%WT MAX	0.01%
Water insolubles	0.20% WT MAX	0.20%
PH	7.5~9.5	8.1
Other water soluble impurities	0.85% WT MAX	0.65%
Test Result	Pass

Product Data Sheet of

Calcium Chloride 77%

Item	Specification
Calcium chloride(CaCl2)	77% WT MIN
Alkali chlorides as NaCl	6.8% WT MAX
Sulfate as CaSO4	0.5%WT MAX
Water insolubles	0.20% WT MAX
Alkalinity(As Ca(OH)2) ≤	0.5%
Packing	25kg polypropylene woven bag,or 1000kg huge bag,or in accord with the client’s requirement;
Application	Oil drilling and petrochemical, used in melting snow, dust prevention, Anti-freeze, food industry, electronics, leather and so on.