Nuclear Yellow, a term encompassing various chemicals with a bright yellow hue, is primarily associated with uranium dioxide and disodium fluorescein. Uranium dioxide, a radioactive compound, is integral to the nuclear fuel industry, exhibiting a yellow-green shade. Conversely, disodium fluorescein, a synthetic dye, is prevalent in the food, pharmaceutical, and cosmetic sectors, imparting a striking yellow tint to products such as lemon-flavored beverages and medications. Despite their differing properties and applications, these chemicals are united by their vivid yellow coloration.
74681-68-8
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Basic information
- Product Name: NUCLEAR YELLOW
- Synonyms: NUCLEAR YELLOW APPROX. 80%;approx.80%;Benzenesulfonamide, 4-[5-(4-methyl-1- piperazinyl)[2,50-bi-1h-benzimidazol]-20-yl]-, Trihydrochloride;4-[5-(4-methyl-1-piperazinyl)[2,50-bi-1hbenzimidazol]- 20-yl]-benzenesulfonamide;Hoechst s769121;Hoechst S769121 Trihydrochloride;Nuclear Yellow [Hoechst S769121] *CAS 74681-68-8*
- CAS NO:74681-68-8
- Molecular Formula: C25H25N7O2S.3ClH
- Molecular Weight: 596.968
- EINECS: N/A
- Product Categories: Benzimidazole
- Mol File: 74681-68-8.mol
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Chemical Properties
- Melting Point: >300℃
- Boiling Point: 813.6°C at 760 mmHg
- Flash Point: 445.8°C
- Appearance: Yellow to green/powder
- Density: 1.3423 (rough estimate)
- Vapor Pressure: 1.53E-26mmHg at 25°C
- Refractive Index: 1.6000 (estimate)
- Storage Temp.: 2-8°C
- Solubility: Soluble in dimethyl sulfoxide, water
- CAS DataBase Reference: NUCLEAR YELLOW(CAS DataBase Reference)
- NIST Chemistry Reference: NUCLEAR YELLOW(74681-68-8)
- EPA Substance Registry System: NUCLEAR YELLOW(74681-68-8)
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Safety Data
- Hazard Codes: N/A
- Statements: N/A
- Safety Statements: N/A
- WGK Germany:
- RTECS:
- HazardClass: N/A
- PackingGroup: N/A
- Hazardous Substances Data: 74681-68-8(Hazardous Substances Data)
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74681-68-8 Usage
Uses
Used in the Nuclear Fuel Industry:Nuclear Yellow, in the form of uranium dioxide, is utilized as a nuclear fuel component for its radioactive properties, which are harnessed to generate energy in nuclear power plants.
Used in the Food Industry:
Nuclear Yellow, as disodium fluorescein, serves as a food coloring agent, providing a bright yellow shade to various food products, particularly those with lemon flavoring.
Used in the Pharmaceutical Industry:
In the pharmaceutical sector, Nuclear Yellow, as disodium fluorescein, is employed as a coloring agent in medications, enhancing their visual appeal and aiding in product identification.
Used in the Cosmetic Industry:
Nuclear Yellow, specifically disodium fluorescein, is used in cosmetics for its vibrant yellow color, adding visual impact to various cosmetic products.
Check Digit Verification of cas no
The CAS Registry Mumber 74681-68-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,4,6,8 and 1 respectively; the second part has 2 digits, 6 and 8 respectively.Calculate Digit Verification of CAS Registry Number 74681-68:
(7*7)+(6*4)+(5*6)+(4*8)+(3*1)+(2*6)+(1*8)=158
158 % 10 = 8
So 74681-68-8 is a valid CAS Registry Number.
InChI:InChI=1/C25H25N7O2S.3ClH/c1-31-10-12-32(13-11-31)18-5-9-21-23(15-18)30-25(28-21)17-4-8-20-22(14-17)29-24(27-20)16-2-6-19(7-3-16)35(26,33)34;;;/h2-9,14-15H,10-13H2,1H3,(H,27,29)(H,28,30)(H2,26,33,34);3*1H
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NUCLEAR YELLOW
