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Bromothymol Blue, Powder, >99%
Bromothymol Blue (also known as bromothymol sulfone phthalein, Bromthymol Blue, and BTB) is a chemical indicator for weak acids and bases. At a pH of 6.0 or lower, it appears yellow. It transitions in color between pH 6.0 and 7.6, becoming completely blue at pH 7.6.
Product Specifications
| Chemical Name | Bromothymol Blue |
| Synonyms | Bromothymol sulfone phthalein, BTB |
| Purity | >99% |
| Color Change Range | Yellow at pH ≤ 6.0, Blue at pH ≥ 7.6 |
| Chemical Formula | C27H27O5SBr2Na |
| Molecular Weight | 646.38 g/mol |
| CAS Number | 34722-90-2 |
Applications and Benefits:
- Used as a chemical indicator for weak acids and bases
- Facilitates pH measurement in the range of 6.0 to 7.6
- High purity powder for accurate scientific applications
- 1 gram prepares up to 10 liters (3 gallons) of indicator solution
Caution:
This high-purity product requires special procedures for solution preparation. For beginners, a ready-to-use solution (BTB10S) is recommended.
Tartrazine (FD&C Yellow 5)
Tartrazine (also known as FD&C Yellow 5, Acid Yellow 23, and Food Yellow 4) is a synthetic lemon yellow azo dye primarily used as a food coloring. It may also be referenced as E number E102, C.I. 19140.
In addition to being a colorant in food, drugs and cosmetics, it can be used to dye silk and wool. It serves as a dye for wool and silks, a colorant in food, drugs and cosmetics.
Many foods contain tartrazine in varying proportions, depending on the manufacturer or person preparing the food. When in food, tartrazine is typically labelled as "color", "tartrazine", or "E102", depending on the jurisdiction, and the applicable labeling laws (see Regulation below).
Products containing tartrazine commonly include processed commercial foods that have an artificial yellow or green color, or that consumers expect to be brown or creamy looking. It has been frequently used in the bright yellow coloring of imitation lemon filling in baked goods.
Foods containing Tartrazine may include ice cream, ice pops, popsicles, candy, gummy bears, cotton candy, instant puddings, gelatin, cake mixes, pastries, custard powder, marzipan, biscuits, and cookies.
Beverages containing Tartrazine may include soft drinks, energy and sports drinks, powdered drink mixes, fruit cordials, and flavored/mixed alcoholic beverages.
Snacks containing Tartrazine may include flavored corn chip, chewing gum, popcorn, and potato chips.
Condiments and spreads containing Tartrazine may include jam, jelly, marmalade, mustard, horseradish, pickles, and processed sauces.
A number of personal care and cosmetics products may contain tartrazine, usually labelled as CI 19140 or FD&C Yellow 5, including:
Liquid and bar soaps, green hand sanitizer, moisturizers and lotions, mouth washes, perfumes, toothpastes, shampoos, conditioners, eyeshadow, blush, face powder and foundation, lipstick, nail polish, nail polish remover, temporary tattoos, and tanning lotions.
In most jurisdictions, presence of Tartrazine must be declared on the product label if used in food, medicine or personal care products.
Some people may have sensitivity to Tartrazine.
According to the FDA, tartrazine causes hives in fewer than 1 in 10,000 people, or 0.01%. Symptoms may appear after a few minutes up to 14 hours after exposure.
For additional information, please see Code of Federal Regulations #21, Parts 1-99.
Product Specifications
| Chemical Name | FD&C Yellow 5, Acid Yellow 23, Food Yellow 4, E102 |
| Applications | Food, pharmaceuticals, cosmetics, textile dyeing |
| Sensitivity Rate | 0.01% population |
| Labeling Requirement | Mandatory in most jurisdictions |
| Color Appearance | Lemon yellow |
Applications and Benefits:
- Used in processed commercial foods with yellow or green coloring
- Common in beverages such as soft drinks and energy drinks
- Found in cosmetic products like eyeshadows and nail polish
- Applied in textile dyeing for wool and silk
- Regulatory compliance ensures proper labeling
Caution:
Some individuals may be sensitive to Tartrazine, experiencing reactions such as hives in rare cases. According to the FDA, sensitivity occurs in fewer than 1 in 10,000 people. Symptoms may appear minutes to 14 hours after exposure.
Synonyms:
FD&C Yellow 5, Acid Yellow 23, Food Yellow 4, E102, C.I. 19140
Linear Alkyl Benzene Sulfonic Acid (LABSA), 96%
Linear Alkyl Benzene Sulfonic Acid, 96% active, is a highly versatile chemical used primarily in the production of household detergents and industrial cleaning products. It is a key ingredient in laundry powders, laundry liquids, dishwashing liquids, and other household cleaning solutions. LABSA also finds applications as a coupling agent and emulsifier in industrial processes, including agricultural herbicides and emulsion polymerization. Recognized for its efficiency and reliability, is classified as a hazardous material under UN# 2586, Hazard Class 8 (Corrosive), PGIII, and requires appropriate handling and storage. Its widespread use in both domestic and industrial sectors underscores its importance in manufacturing high-performance cleaning and emulsifying products.
Key Features
- 96% active Linear Alkyl Benzene Sulfonic Acid
- Essential raw material for household detergents
- Used as a coupling agent and industrial emulsifier
- Applications in agricultural herbicides and emulsion polymerization
- Hazard Class 8 (Corrosive) under UN# 2586, PGIII
- Ideal for high-performance cleaning and emulsifying products
Product Specifications
| Chemical Name | Linear Alkyl Benzene Sulfonic Acid |
| Purity | 96% Active |
| Applications | Detergents, emulsifiers, industrial cleaners, herbicides |
| UN Number | 2586 |
| Hazard Class | 8 (Corrosive) |
Perfect for detergent, industrial, and agricultural applications.
Malic Acid, FCC, Coarse
Malic Acid, food grade, for manufacturing and laboratory use. The pleasant, refreshing taste of juicy fruits is partly caused by Malic Acid. It is used in beverages, powdered mixes, ciders and wines, acidified dairy products, calcium supplements, candy, chewing gum, desserts, and skin care products. Available in 50-lb bags for manufacturing, and in 5-lb containers for sample, evaluation, research, and laboratory use.
Product Specifications
| Chemical Name | Malic Acid |
| Grade | FCC (Food Grade) |
| Formula | C4H6O5 |
| CAS Number | 6915-15-7 |
| Particle Size | 95% through mesh 25 and above mesh 100 |
Applications and Benefits:
- Used in beverages and powdered mixes for a refreshing taste.
- Enhances flavors in ciders, wines, and acidified dairy products.
- Key ingredient in candy, chewing gum, and desserts.
- Used in calcium supplements and skin care products.
- Available for sample evaluation, research, and manufacturing purposes.
Caution:
Handle with care. Avoid inhalation and contact with eyes or skin. Refer to the SDS for detailed safety instructions.
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