USE: Use as supplied or 50% solution in water.

APPLICATION: Blackfast 505NS is used to remove rust and scale from cast iron. Unlike Blackfast 513 which will attack cast iron and Ieave it porous, Blackfast 505NS being phosphoric acid based, will clean the surface but leave a non-porous base for blacking. Used as a 50% solution in water, pickling can be done at room temperature or, for a more speedy treatment, at 50 – 75 C. There is no foaming with Blackfast 505NS.

TANK MATERIAL: Tanks should be of a suitable polypropylene.

Blackfast 505NS acid pickle light is part of the Blackfast range of products for the chemical blacking of iron and steel at room temperature.

Blackfast Chemicals continues to improve the quality and performance of its range of products and reserves the right to modify product formulations without prior notice.

SAFETY DATA:

1. IDENTIFICATION OF THE SUBSTANCE/PREPARATION AND OF THE COMPANY

PRODUCT NAME: BLACKFAST 505NS ACID PICKLE APPLICATION: Pickling iron and steel COMPANY: Blackfast Chemicals
ADDRESS: 78 Coombe Road, New Malden, Surrey KT3 4QS, England
TEL/FAX NO’S: Tel: 0181-336 2900 Fax: 0181-336 0909

2. COMPOSITION/INFORMATION ON INGREDIENTS

COMPOSITION: Phosphoric/Hydrofluoric Acid mixture with wetting agent.
HAZARDOUS INGREDIENTS: Phosphoric Acid (>25% w/w) Hydrofluoric Acid (2.3% w/w)
SYMBOL:T,C
RISK PHRASES: R 23/24/25, R 34
EEC NO’s: Phosphoric Acid 231 - 633 - 2 Hydrofluoric Acid 231 - 634 - 8

3. HAZARDS IDENTIFICATION

Toxic, Corrosive

4. FIRST AID MEASURES

INHALATION: Remove to fresh air. Seek medical aid if necessary.
INGESTION: DO NOT INDUCE VOMITING. Gargle, rinse mouth and drink large amounts of water. Seek medical aid.
SKIN: Remove contaminated clothing. Wash well with plenty of water. If irritation develops, seek medical aid.
EYES: Flush with clean water for 10 minutes. Seek medical aid.

5. FIRE FIGHTING MEASURES

Non flammable. Will not support combustion.
Decomposition products: Oxides of Phosphorus, Hydrogen Fluoride Wear self-contained breathing apparatus and protective clothing to prevent contact with skin and eyes.

6. ACCIDENTAL RELEASE MEASURES

PERSONAL PRECAUTIONS: When dealing with a spill note the recommendations in Section 7.
ENVIRONMENTAL: Prevent entry into drains, sewers and water courses.
SPILLAGE: Absorb liquid in absorbent clay granules and mix with excess Slaked Lime or Soda Ash to neutralise.

7. HANDLING AND STORAGE

Avoid inhaling the vapour. Avoid contact with skin and eyes. Store in clean, dry conditions. Keep container closed and ensure label intact and legible.

8. EXPOSURE CONTROLS/PERSONAL PROTECTION

Occupational Exposure Limits:
Phosphoric Acid 8 hr TWA 1 mgm~, 15 min ref. period 2 mgm (EH40/94)
Hydrogen Fluoride, 15 min ref. period 2.5 mgm-~
Cover working solution when not in use. Local exhaust ventilation is recommended when in continuous use.
Personal protection:
Wear impervious (PVC) gloves, eye protection and plastic apron. Remove contaminated clothing immediately.

9. PHYSICAL AND CHEMICAL PROPERTIES

APPEARANCE: Colourless liquid
SPECIFIC GRAVITY: 1.40 @ 20’C
SOLUBILITY/MISCIBILITY IN WATER: Complete
FLASH POINT: N/A
pH: 1.0 - 1.5

10. STABILITY AND REACTIVITY

Stable under normal conditions. Reacts with,1) metals to produce a flammable gas, hydrogen, 2) alkaline substances producing considerable heat, 3) sulphides, carbonates, cyamides to produce toxic, flammable or asphyxiating gases.

11. TOXICOLOGICAL INFORMATION

Phosphoric Acid will burn skin and tissue. Hydrofluoric Acid is strongly corrosive to tissues and can cause acute systemic poisoning by absorption through skin, by inhalation or ingestion. Diluted solutions can cause delayed action burns some hours affer exposure.

12. ECOLOGICAL INFORMATION

Not assessed.

13. DISPOSAL INFORMATION

Disposal must be in accordance with local and national legislation. Dispose through an authorised waste contractor to a licensed site.

14. TRANSPORT INFORMATION

PACKING GROUP: III Corrosive substance
UN NUMBERS: 1790 (HF), 1805 (H3 PO4)
CAS NO’s: 7664 - 39 - 3 (HF), 7664 - 38 - 2 (Hs PO4) 8
HAZARD CLASS: 8

15. REGULATORY INFORMATION

HAZARDOUS INGREDIENTS: Phosphoric Acid, Hydrofluoric Acid
SYMBOL: T,C
RISK PHRASES: Toxic by inhalation and in contact with skin and if swallowed. Causes burns.
SAFETY PHRASES NOT OBLIGATORY:
Keep container tightly closed and in a well ventilated place. In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. Wear suitable protective clothing and gloves. In case of accident or if you feel unwell, seek medical advice immediately (show the label where possible).

STATUTORY INSTRUMENTS:
Health and Safety at Work Act 1974. Chemicals (Hazard Information and Packaging) Regs 1993 (Si 1746). Control of Substances Hazardous to Health Regs 1988 (Si 1657). Environmental Protection Act 1990.
CODES OF PRACTICE:
Classification and labelling substances dangerous for supply (COP 22). Waste management: The duty of care.
GUIDANCE NOTES:
Occupational exposure limits (EH 40). Classification, Packaging and Labelling of Dangerous Substances Regs. 1984 HS(R)22.

16. OTHER INFORMATION

Read the Application Data Sheet before using this or any Blackfast product. The product is intended for the stated use only. Do not use the product for any other application without obtaining advice from us beforehand. If this product is for resale, ensure that the purchaser receives a copy of this information. If this product is for end use, ensure that your employees and others who may be affected are aware of the contents of this sheet.
This information relates only to the specific material designated and may not be valid for such material used in combination with any other materials or in any other process. Such information is to the best of the company’s knowledge and belief, accurate and reliable as of the date indicated. However, no warrsnty, guarantee or representation is made es to its accuracy, reliability or complets ness. It is the user’s responsibility to satisfy himself as to the suitability of such information for his own particular use.