Acid Oil Soya

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Acid Oil Soya is a byproduct derived from the refining of soybean oil. It is a dark-colored, free fatty acid-rich liquid containing mainly oleic and linoleic acids. Acid Oil Soya is commonly used in industrial applications such as soap making, animal feed, and as a raw material in the production of biodiesel, lubricants, and other chemicals.

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Category: Animal Feed Additives Tags: Animal feed ingredient, Lubricant Additive, Paint and coating industry, Soap manufacturing, Soybean acid oil

Description

Table of Contents

Primary Uses

Biodiesel Production
- Used as a low-cost feedstock for biodiesel manufacturing due to its high free fatty acid (FFA) content.
- Processed via esterification/transesterification to produce fatty acid methyl esters (FAME).
Animal Feed Supplement
- Mixed with feed pellets as an energy source for livestock (poultry, cattle, pigs).
- Provides fatty acids for improved animal growth and coat condition.
Soap & Oleochemical Industry
- Raw material for low-grade soaps and fatty acid distillation.
- Used in lubricants, greases, and industrial surfactants.

Secondary Uses

Agriculture
- Acts as a dust suppressant in feed mills.
- Used in organic pesticides as a carrier oil.
Wastewater Treatment
- Helps in flotation processes to remove oil/grease from industrial effluents.
Rubber & Plastics
- Softening agent in rubber recycling.

PRODUCT KEY ATTRIBUTES

1. Basic Identification Attributes

Chemical Name: Hydrolyzed Soybean Oil Fatty Acids
Common/Trade Names:
- Soya Acid Oil
- Soybean Acid Oil
- Hydrolyzed Soy Oil
CAS Number: 68308-53-2 (for soybean acid oil)
HS Code: 1518.00.90 (vegetable oil acid oils)
Molecular Formula: Variable (mixture of C16-C18 fatty acids)
Synonyms:
- Soybean fatty acid distillate
- Acidulated soybean soapstock
- Soy oil fatty acids

2. Physical & Chemical Properties

Physical State: Viscous liquid to semi-solid
Color & Odor: Dark brown to black; characteristic fatty odor
Melting Point: 20-30°C (depends on composition)
Boiling Point: >300°C (decomposes)
Density: 0.90-0.95 g/cm³ at 20°C
Solubility:
- Water: Insoluble
- Organic solvents: Soluble in ethanol, ether, chloroform
pH Level: 2-5 (acidic)
Vapor Pressure: Negligible at 20°C
Flash Point: >150°C (COC)
Viscosity: 50-100 cP at 40°C

3. Safety & Hazard Attributes

Hazard Class (GHS):
- Skin Irritation (Category 2)
- Eye Irritation (Category 2)
NFPA Ratings:
- Health: 1
- Flammability: 1
- Reactivity: 0
Exposure Limits:
- No specific OEL established
- General dust limit: 10 mg/m³ (total), 5 mg/m³ (respirable)
Reactivity:
- Incompatible with strong oxidizers
- Corrosive to some metals

4. Storage & Handling Attributes

Storage Conditions:
- Store at 15-40°C
- Keep containers tightly closed
- Protect from moisture
Incompatible Materials:
- Strong bases
- Strong oxidizers
Container Type:
- Carbon steel or stainless steel drums
- HDPE containers for small quantities
Shelf Life: 12-24 months if properly stored
Special Handling:
- Use chemical-resistant gloves (nitrile)
- Eye protection recommended
- Adequate ventilation

5. Regulatory & Compliance Attributes

Regulatory Status:
- FDA: 21 CFR 172.860 (as fatty acids)
- EU: Approved as food additive E570
- REACH: Registered
Hazard Symbols (GHS):
- Exclamation mark (irritant)
Transportation Restrictions:
- Not classified as dangerous goods
Waste Disposal Method:
- Incineration or recycling preferred
- Not RCRA hazardous

6. Environmental & Health Impact

Ecotoxicity:
- LC50 (fish): >100 mg/L
- EC50 (daphnia): >100 mg/L
Persistence in Environment:
- Readily biodegradable (>60% in 28 days)
Carcinogenicity/Mutagenicity:
- Not classified (IARC, NTP, OSHA)
Biodegradability:
- 90% in 28 days (OECD 301F)

SAFETY HANDLING

1. Safety Precautions

Personal Protective Equipment (PPE):

Gloves: Nitrile or neoprene (for chemical resistance)
Eye Protection: Safety goggles + face shield (for splash risk)
Respiratory: N95 mask (when handling heated material)
Body: Chemical-resistant apron + steel-toe boots

Handling & Storage:

Store in stainless steel or HDPE containers
Keep away from oxidizers and strong acids
Maintain temperature below 50°C (to prevent decomposition)
Use grounded equipment to prevent static discharge

Hygiene Measures:

No eating/drinking in handling areas
Wash hands thoroughly after handling
Provide emergency eyewash station nearby

2. First Aid Measures

Skin Contact:

Remove contaminated clothing
Wash with mild soap and warm water for 15 minutes
Apply emollient cream if irritation occurs

Eye Contact:

Flush with lukewarm water for 15-20 minutes
Seek medical attention if irritation persists

Ingestion:

Rinse mouth with water
Do NOT induce vomiting
Seek medical advice if large amounts swallowed

Inhalation:

Move to fresh air
Give oxygen if breathing is difficult

3. Firefighting Measures

Fire Characteristics:

Combustible liquid (flash point typically >150°C)
Burns with thick, black smoke
May release acrolein at high temperatures

Extinguishing Media:

Dry chemical powder
CO₂
Foam
Water spray (to cool containers)

Special Precautions:

Wear SCBA (self-contained breathing apparatus)
Contain runoff to prevent environmental contamination
Cool adjacent containers with water spray

4. Spill Management

Small Spills:

Contain with absorbent materials (vermiculite, sand)
Collect in approved waste containers

Large Spills:

Implement secondary containment
Use oil spill booms for liquid containment
Prevent entry into drains or watercourses

5. Storage & Disposal

Storage Conditions:

Keep in cool, well-ventilated area
Away from ignition sources
In corrosion-resistant containers

Disposal:

Treat as industrial waste
Follow local waste oil regulations
Consider recycling/reprocessing options