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Castor Oil BP Grade - from The Castor Oil Dictionary

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Castor Oil BP Grade - from The Castor Oil Dictionary


Castor Oil BP Grade refers to the castor oil that has specifications conforming to the British Pharmacoepia standards.


Typical MSDS of BP Grade Castor Oil

Composition/Ingredients Information

A naturally occurring triglyceride vegetable oil and is the highest grade of oil obtained from the castor oil bean.

CAS no: 8001-79-4

EINECS: 292-293-8


Hazard Identification


No critical hazards which warrant special labelling as this oils is safe.  Pressure injection: will cause severe internal damage if not properly treated.


First Aid Measures

Inhalation: n/a

Eye contact: Rinse immediately with plenty of water for at least 15 minutes. Contact a doctor if pain, blinking, tears or redness persists.

Skin Contact: Wash thoroughly with mild soap and water.  Prolonged exposure may lead to reddening on sensitive skin.

Ingestion: No problems if ingested.  Will have purgative effects.


Fire-Fighting Measures

Flammable: Not flammable.

Flash Point: > 300ºC.

General: if involved in fire conditions will burn to give a dense acrid smoke, especially if absorbed onto burning wood etc.

Extinguishing media: carbon dioxide.  Dry chemical.  Foam.  Water spray – DO NOT use direct water spray.

Combustion products: carbon oxides or carbon and trace oxides of sulphur.


Accidental Release Measures

Personal precautions: Equip clean up crew with proper protection.

Environment precautions: Notify authorities if liquid enters public waters.

Cleaning up methods for spillages: Remove all potential ignition sources. Contain spilled material. Cover with an inert or non-combustible inorganic absorbent material, sweep up and remove to an approved disposal container. Observe state, federal and local disposal regulations.


Handling and Storage

Precautions in handling: Apply good manufacturing practice and industrial hygiene practices, ensuring proper ventilation. Observe good personal hygiene, and do not eat, drink or smoke whilst handling.

Storage conditions: Store in tightly closed original container, in a cool, dry and ventilated area away from heat sources and protected from light. Keep air contact to a minimum.


Exposure Control/Personal Protection


Eye contact: wear goggles if handling hot oil.


Physical and Chemical Properties

Colour: nearly colourless or faintly yellow.

Relative density at 20ºC – 0.952-0.965

Extinctions: 1.0 max @ 268/270mm

Moisture: 0.3% maximum

Iodine Value: 82-90

Saponification value: 176-187

Acid valid: 2.0 maximum

Unsaponfiables w/w : 0.8% maximum

Optical rotation: between +3.5º and 6.0º

Hydroxyl value: 150 minimum

Peroxide value: 5.0 max

Light absorption: 1.0 max

Specification conforms to the British Pharmacopoeia and relevant amendments.



Stable: Contamination with alkalis will for soaps and hot conc acids will char the oil.


Toxicological Information

General: Castor Oil BP is a vegetable oil and can be thought of as something similar to “cooking oil”.

Oral: may be taken internally.

Skin contact: very little effect.

Inhalation: Not application under normal use.

Eye contact: a bland oil, although any eye contact should be dealt with immediately.


Ecological Information

No long term damage to the environment is envisaged.  If the oil enters streams and rivers in large quantities it will cut off the oxygen supply to aquatic life.

Completely biodegradable.


Disposal Considerations


Avoid disposing into drainage systems and into the environment.


Transport Information


Non hazardous.


Regulatory Information

Labelling information.

Hazards: none

Symbols: none

Risk Phrases: none

Safety Phrases: n/a


Other Information

The data provided in this material safety data sheet is meant to represent typical data/analysis for this product and is correct to the best of our knowledge. The data was obtained from current and reliable sources, but is supplied without warranty, expressed or implied, regarding its’ correctness or accuracy. It is the user's responsibility to determine safe conditions for the use of this product, and to assume liability for loss, injury, damage or expense arising from improper use of this product. The information provided does not constitute a contract to supply to any specification, or for any given application, and buyers should seek to verify their requirements and product use.



Glossary of Castor Oil Terms

Castor Bean, Castor Extract, Castor Meal/Castor Cake, Castor Oil, Castor Oil Chemicals, Castor Oil Derivatives, Castor Oil BP Grade, Castor Oil FSG, Castor Oil Glossary Main Index, Castor Oil USP, Castor Plant, Castor Seed, Commercial Castor Oil, De-oiled Castor Cake, Dehydrated Castor Oil, Deodorised Castor Oil, European Pharmacopia Castor Oil, Hydrogenated Castor Oil, Industrial Castor Oil, Ricinoleic Acid, Sulfonated Castor Oil, Turkey Red Oil

The Castor Oil Dictionary is intended to be a dictionary & glossary resource for castor oil related terms, providing meanings, definition & explanations for these terms and words.