RETAN BLK

 

 

1. PRODUCT IDENTIFICATION

Product Name

RETAN BLK

Supplier

S.C. RAOUL-DUVAL & Cie

7, place Léon-Meyer, B.P. 1414

F-76067 Le Havre Cedex, France

Phone (33) 2 35 19 66 20
Fax (33) 2 35 21 55 08
Urgency phone number (33) 2 35 19 66 20

2. PRODUCT COMPOSITION

Composition Natural tanning extract obtained from Sumac leaves, clarified and neutralised.
CAS N° 91 770 58 0
EINECS N° 294 844 9
Dangerous ingredients NONE

 

3. HAZARD IDENTIFICATION

Under normal use conditions, this product is stable. May give off irritant fumes (SO2, SO3) and organic acids under action of extreme heat. The product is astringent and of bitter taste. In case of ingestion in large amount, the product may cause gastric disorders.

 

4. FIRST AID MEASURES

Skin contact Wash with water
Eyes contact Wash with plenty of water
Ingestion Drink large amount of liquids and make vomit if person is conscious.
Inhalation Wash mucous membranes. If irritation persists, seek medical advice.

 

5. FIRE PRECAUTIONS/FIRE FIGHTING

All extinguisher types can be used.

In case of fire, the product can give off SO2, SO3 and various organic acids. Respiratory masks are recommended.

 

6. ACCIDENTAL RELEASE

Workers' protection Wear personal protective clothes
Protection and Cleaning Sweep up, wash residue with water and mix residue with sawdust. Dispose of according to local regulations or incinerate.
Neutralisation In aqueous solution, the product precipitates the metallic salts and specially alumine sulphate.

 

7. HANDLING & STORAGE

Handling Wear respiratory masks to avoid respiring dusts or absorbing by inhalation. Use no hook
Storage Keep away from air and humidity. The product is slightly hygroscopic and becomes oxidised with air.

 

8. PERSONAL PROTECTION

Handling Wear personal protective equipment and respiratory masks.
Hands Rubber or PVC gloves can be advised

Follow good hygiene conditions and wear personal protective equipment.

 

9. PHYSICAL & CHEMICAL PROPERTIES

Appearance (colour) yellow
Form spraydried powder
Odour scentless
pH (10% solution at 20°C) 3,3 +- 1,0
Density 0,4 +- 0,05
Decomposition T°C > 200°C
Boiling point N/A
Flash point N/A
Melting point N/A
Solubility in water soluble

 

10. STABILITY & REACTIVITY

Under normal use conditions, this product is stable. It precipitates in presence of metallic salts and specially iron ones and gelatine. At high temperature, product decomposition gives pyrogallol and organic acids. The product becomes oxidised by air.

 

11. TOXICOLOGICAL INFORMATION

We have no figure on toxicological values actually.

The natural product, made of Sumac leaves, is obtained by aqueous extraction, clarified and modified to adjust the pH. There is no toxic or dangerous element in the composition of this product.

No disastrous effect, no sensitisation to this product have been reported until today.

As every pulverulent product the powder may provoke respiratory problems by inhalation.

 

12. ECOLOGICAL INFORMATION

The natural product of high molecular weight is part of the pyrogallic tannins, very easily hydrolysables. The product is eliminated from waste waters under the form of mud by treatment with alumine sulphate. Although the effects on environment and waters are not disastrous, at the moment we have no figure on ecotoxicity and biodegradability.

 

13. WASTE DISPOSAL

Dispose of according to local regulations.

The product is eliminated of aqueous solutions by precipitation under the form of muds with alumine sulphate (formation of alumine tannate).

Elimination of residue and packing by incineration.

 

14. TRANSPORT INFORMATION

The product is not regulated.

 

15. REGULATORY INFORMATION

Health & Safety Regs.

EC Directives 76-464, 78-318, 80-68, 91-156
EC Directive 93-18 of 5th April 1993

Official French Gazette of 28th March 1993, Decree of 1th October 93 relative to taking off and water consumption as well as to disposals of any type, and specially,

Chapter VI Art. 60 water pollution
Chapter VII Art. 61 environmental evaluation
Chapter VIII Art. 63/64/65 control of effects on environment

 

16. OTHER INFORMATION

This product should be stored, handled and used in accordance with good industrial hygiene practices and in conformity with any legal regulation. The information contained herein is based on the present state of our knowledge and is intended to describe our products from the point of view of safety requirements. It should not, therefore, be construed as guaranteeing specific properties.

 

Material Safety Data Sheet

Edition : 18.07.01

Index : 0

Code : ASUBLK

Document PC.074/A