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RE: alergy to cobalt dichloride
EcoColors Message Board
159 Subject: RE: alergy to cobalt dichloride Posted by:
Thu, May 02, 2002
11:52 PM

This is what I could find about colbalt dichloride. It is probably present in colors that contain metallic salts.    T.R.U.E. TEST indicates that you have a contact allergy to cobalt. Cobalt is a common metal that is often combined with other metals to make metal alloys.    Prolonged contact of this substance with your skin may result in dermatitis. Brief or occasional contact generally does not pose a problem. Other factors may or may not be related to your condition. Your physician will counsel you on appropriate management of your dermatitis.    Where Cobalt Is Found:    Cobalt is found in many metal-plated objects, including buckles, buttons, snaps, zippers, and costume jewelry. It also is found in tools, utensils, instruments, pigments, cobalt blue paints, pottery, ceramics, printing ink, tattoos, and antiperspirants. Cobalt salts are used as pigments in light brown hair dyes and makeup.    Cobalt dichloride also can be found in metal alloys in industrial settings. Industrial exposure to cobalt can also arise from cements, glass and metal alloys, lubricating oils, animal feeds, and welding rods. Cobalt is used as a contact catalyst in polyester resins and as an oxidizing agent in automobile exhaust controls, in electroplating, and in the rubber tire industry.    Cobalt also may be used in joint replacements and in dental appliances, and it is present in vitamin B12.    How to Avoid Cobalt:    In general, minimize skin contact with cobalt.      Because cobalt is used in some cosmetics, antiperspirants, and hair dyes, it is important to use only ingredient-labeled products that do not list cobalt or any of its synonyms on the label.    Avoid metallic costume jewelry. Usually, sterling silver and platinum jewelry can be worn. Wear clothing with nonmetallic zippers and fasteners.      Only wear pierced earrings with stainless steel posts and select a watch with a stainless steel back. Small metallic items that are difficult to avoid, such as door keys, may be coated with several layers of clear nail polish.    Select scissors, kitchen utensils, combs, and other metal items with plastic or wooden handles. Covering larger objects with plastic may be helpful, for example, for hairdressers and textile workers who use metal tools throughout the day. Brief contact with metal devices containing cobalt usually does not cause a skin reaction except in highly sensitive persons. Those individuals may avoid contact by wearing lightweight gloves like Allerderm® Protective Gloves [(800) 365-6868] when handling metal devices. Rubber or vinyl gloves are only necessary for lengthy contact. Wear Allerderm® Heavy Duty Vinyl Gloves for wet work, since moisture increases the penetration of cobalt into the skin.    Reactions to metal instruments used by dentists and physicians are unlikely because skin contact is too brief. Reactions to metal dental appliances and orthopedic implants are rare. If you think you are having a reaction due to exposure to cobalt in any of these ways, talk to your physician.    Avoid contact with cement.    If you suspect that you are being exposed to this allergen at work, consult your employer regarding Material Safety Data Sheets.    Note: These are general guidelines for avoiding this particular allergen in your daily activities. Please consult your physician regarding specific additional instructions for you.    Synonyms/Components of Cobalt:    Cobalt blue    Cobaltous (modifying any word)    Other Substances to Which You May React:    Nickel    Chromate    How to Read Product Labels:    Now that you know the substances to which you are allergic, make a list, perhaps on a small card, of the names of these substances to take with you when shopping.      Before purchasing a product that may come in contact with your skin, look for its list of ingredients. The list of ingredients may be anywhere on the package. Read the list carefully to see if any of the names are on the list. If so, ask your pharmacist or physician for a suitable alternative. Then check that product against your list.    When a product is not packaged, does not have a list of ingredients, or lists only the active ingredients, you have several choices: (1) find an alternative that does list all ingredients, (2) contact the manufacturer for a full list of ingredients, or (3) ask your pharmacist or physician for a suitable alternative.    Material Safety Data Sheets:    Material Safety Data Sheets (MSDS) are required for all chemicals and substances that workers contact in the workplace. These sheets list chemicals that are known to be hazardous or poisonous. Read these sheets carefully to see whether the lists contain the name of the chemical to which you are allergic or any of its synonyms. Please note, however, that MSDS sheets do not list specific chemicals to which only a few people may be allergic. There is often little detailed information regarding exact chemicals, and only those substances in concentrations greater than 1% must be listed. If the chemical to which you are allergic is not listed, and for some reason you suspect it could be in a particular product, contact the supplier to find out whether the chemical is in the product. MSDS sheets usually contain telephone numbers of suppliers where you can get more information. When requesting ingredient information, be sure to state all of the chemical synonyms or other names for your allergen.    Examples of Products:    This brief list is intended to provide a few examples; it is not intended as a comprehensive listing of all products in these categories. This information is subject to change without notice. Products are frequently reformulated by their manufacturers. Even with products you may have used with confidence in the past, read product labels carefully before use to be assured that they do not include this allergen.    Examples of Products Containing Cobalt       Nickel-Plated Jewelry and Other Metallic Objects Such as Buckles          Vitamin B12          Industrial Hard Metals and Alloys          Wolfram™ carbide Stellite®    Vitallium® Alnico™    Durlium™ Mobilium™    Permalloy™ Ticonium®       xamples of Products Free of Cobalt    Plastic, sterling silver, platinum jewelry    Pewter    info from:

This is a reply to message 66 by Wildroy4  

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