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3-Chloro-2,4,6-trinitro-phenol, commonly known as Picric acid, is a chemical compound with the formula C6H2ClN3O7. It is a yellow crystalline solid that is highly soluble in water and has a strong acidic nature. Picric acid is primarily used in the production of explosives, such as boosters and detonators, due to its high sensitivity to shock and friction. It is also used as a dye and in the manufacturing of certain types of fireworks. However, its use has been largely discontinued due to its potential health hazards and environmental concerns, as it can cause skin irritation, respiratory issues, and is considered a carcinogen. Additionally, picric acid is sensitive to heat and can decompose, posing a risk of explosion.

1706-82-7

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1706-82-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1706-82-7 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 1,7,0 and 6 respectively; the second part has 2 digits, 8 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 1706-82:
(6*1)+(5*7)+(4*0)+(3*6)+(2*8)+(1*2)=77
77 % 10 = 7
So 1706-82-7 is a valid CAS Registry Number.

1706-82-7Relevant academic research and scientific papers

Absolute pKas of Sulfonamides in Ionic Liquids: Comparisons to Molecular Solvents

Wang, Zedong,Li, Xin,Ji, Pengju,Cheng, Jin-Pei

, p. 11195 - 11200 (2016/11/28)

Absolute pKas of 25 sulfonamides in four ionic liquids (ILs) were measured spectroscopically with high precision and subsequently compared with those in conventional molecular solvents. It is found that the acidity order of these sulfonamides i

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