CAS No.: 79-09-4
Molecular Formula: CH3CH2COOH
Molecular Weight: 74.08

Iupac Name：disodium;carbonate
CAS No.: 497-19-8
Molecular Weight：105.988
Sodium carbonate (CNa2O3) is an inorganic compound belonging to the class of carbonate salts. At room temperature, it exists as a white, odorless solid that typically appears in powder or granular form. It is commonly encountered in a highly crystalline state and may exhibit hygroscopic properties under ambient conditions.

Iupac Name：dioxosilane
CAS No.: 7631-86-9
Molecular Weight：60.0843
Introduction:
Silicon Dioxide (SiO₂) is an inorganic compound. It is a crystalline solid at room temperature, typically appearing as a colorless, odorless substance. In its most common form, silicon dioxide exhibits a transparent to translucent

Formic acid
CAS No.：64-18-6
Molecular formula: CH2O2
Molecular weight: 46.02538

Iupac Name：sodium;formate
CAS No.: 141-53-7
Molecular Weight：68.01
Sodium formate (CHNaO2) is a sodium salt of formic acid and is best classified as an inorganic compound with organic functionality, specifically a carboxylic acid derivative. At room temperature, sodium formate typically exists as a white crystalline solid with a slight acetate-like odor. It is hygroscopic in nature and readily soluble in water, forming a clear, colorless solution upon dissolution.

Iupac Name：azanium;chloride
CAS No.: 12125-02-9
Molecular Weight：53.489
Introduction:
Ammonium chloride (ClH4N) is an inorganic ionic compound. It appears as a white crystalline solid at room temperature, is odorless, and typically forms fine granules or powder. The compound is highly soluble in water, forming a colorless solution, and exhibits hygroscopic properties, meaning it can absorb moisture from the surrounding environment. As an ammonium salt of hydrochloric acid, it belongs to the class of inorganic salts and is widely used in various industrial and scientific applications.

Iupac Name：calcium;dichloride
CAS No.: 10043-52-4
Molecular Weight：110.984
Introduction:
Calcium chloride (CaCl2) is an inorganic ionic compound. At room temperature, it exists as a white crystalline solid with a hygroscopic nature and is generally odorless. The compound readily absorbs moisture from the surrounding environment, which often leads to clumping or dissolution if left exposed to ambient air. Calcium chloride is highly soluble in water, and its dissolution is exothermic, releasing a significant amount of heat.

Iupac Name：aluminum;trisodium;hexafluoride
CAS No.: 15096-52-3
Molecular Weight：209.94100
Introduction:
Cryolite (Na3AlF6) is an inorganic mineral compound and a fluorinated coordination compound, featuring an octahedral [AlF6]3− anion coordinated to sodium cations. At room temperature, it appears as a white to colorless, crystalline solid with a vitreous luster; it is odorless and non-volatile.

Iupac Name：sodium;4-amino-5-hydroxy-5-oxopentanoate
CAS No.: 32221-81-1
Molecular Weight：169.11109
Introduction:
L-Glutamic Acid Monosodium Salt Monohydrate (C5H8NNaO4) is a biochemical compound and carboxylic acid derivative. At room temperature, it exists as a white to off-white crystalline powder, odorless with a characteristic savory or umami taste. It is highly soluble in water but insoluble in organic solvents such as ethanol and ether, reflecting its polar ionic nature due to the presence of both carboxylate and ammonium functional groups.

Iupac Name：propane-1,2,3-triol
CAS No.: 56-81-5
Molecular Weight：92.09382
Introduction:
Glycerol (C3H8O3) is a biochemical compound and more specifically a polyol (alcohol sugar). It is an odorless, colorless, viscous liquid at room temperature, exhibiting a slightly sweet taste. Due to its hygroscopic nature, glycerol readily absorbs moisture from the environment and is completely miscible with water and alcohol, while being only slightly soluble in acetone and ether. This compound is non-volatile and possesses a high boiling point relative to its molecular weight, which contributes to its stability and utility in various applications.

Iupac Name：(2S)-2-amino-3-(1H-indol-3-yl)propanoic acid
CAS No.: 73-22-3
Molecular Weight：204.22518
Introduction:
L-Tryptophan (C11H12N2O2) is a biochemical compound and a specific type of amino acid derivative. It is an essential α-amino acid containing an indole functional group, making it a key precursor in the biosynthesis of neurotransmitters such as serotonin and melatonin. At room temperature, L-tryptophan typically appears as a white to off-white crystalline solid, is odorless, and exhibits limited solubility in water, although its solubility increases in acidic or basic environments.

Iupac Name：2-hydroxypropane-1,2,3-tricarboxylic acid
CAS No.: 77-92-9
Molecular Weight：192.12352
Introduction:
Citric acid (C6H8O7) is a tricarboxylic acid and a key intermediate in the citric acid cycle, a central metabolic pathway in living organisms. At room temperature, citric acid typically exists as a white crystalline solid, often encountered in its monohydrate form. It is odorless and possesses a strong acidic taste, which contributes to its widespread use as a flavoring and preservative agent. As a carboxylic acid derivative and a biochemical compound, citric acid plays essential roles in both biological systems and industrial applications.

Iupac Name：acetic acid;2,3,4,5,6-pentahydroxyhexanal
CAS No.: 9000-11-7
Molecular Weight：240.20784
Introduction:
Carboxymethyl cellulose (C8H16O8) is a carboxylic acid derivative and biochemical compound. At room temperature, it appears as a white or slightly yellowish powder with no noticeable odor. Carboxymethyl cellulose, commonly referred to as CMC, is a water-soluble polymer derived from cellulose. Its structure consists of cellulose chains modified by the introduction of carboxymethyl groups, which impart unique properties such as viscosity modulation and emulsification. As a biochemical compound, it plays a crucial role in various industries due to its biocompatibility and ability to form stable gels or solutions.

Iupac Name：N,N-dimethylformamide
CAS No.: 68-12-2
Molecular Weight：73.09378
Introduction:
N,N-Dimethylformamide (C3H7NO) is a polar aprotic solvent and carboxylic acid derivative, specifically the dimethylamide of formic acid. At room temperature, it is a colorless to pale yellow liquid with a faint, characteristic odor often described as faintly fishy or chloroform-like; it is miscible with water and most common organic solvents.

Iupac Name：acetic acid
CAS No.: 64-19-7
Molecular Weight：60.05196
Introduction:
Acetic acid (C2H4O2) is a carboxylic acid, one of the simplest organic compounds bearing a carboxyl functional group. At room temperature, it exists as a colorless liquid with a pungent, vinegar-like odor, which is easily recognizable even at low concentrations. Pure acetic acid, also known as glacial acetic acid, has a viscous consistency and can solidify into ice-like crystals below 16.7 °C. As a weak acid, it partially dissociates in aqueous solution, contributing to its widespread use in both industrial and biological contexts.

Iupac Name：5-hydroxy-2-(hydroxymethyl)pyran-4-one
CAS No.: 501-30-4
Molecular Weight：142.10944
Introduction:
Kojic acid (C6H6O4) is a carboxylic acid derivative. At room temperature, kojic acid appears as a white crystalline powder with no noticeable odor. This compound belongs to the class of organic compounds and more specifically, it is classified as a hydroxy acid due to its structure containing both hydroxyl and carboxyl functional groups. Its molecular framework involves a cyclic lactone ring, which contributes to its unique chemical properties and reactivity in various applications.

Iupac Name：sodium;2-[2-(2-dodecoxyethoxy)ethoxy]ethyl sulfate
CAS No.: 13150-00-0
Molecular Weight：420.53695
Introduction:
Sodium 2-[2-[2-(dodecyloxy)ethoxy]ethoxy]ethyl sulphate (C18H37NaO7S) is a nonionic–anionic hybrid surfactant and organic compound. At room temperature, it typically exists as a viscous, colorless to pale yellow liquid or semi-solid waxy material, possessing a faint, characteristic ethereal odor and no pronounced volatility.

Iupac Name：chloroethene
CAS No.: 9002-86-2
Molecular Weight：62.5
Introduction:
Polyvinyl chloride (C2H3Cl) is a halogenated organic polymer. It is composed of repeating vinyl chloride monomers, each unit containing two carbon atoms, three hydrogen atoms, and one chlorine atom. At room temperature, polyvinyl chloride exists in a solid, amorphous or semi-crystalline state, depending on its degree of polymerization and processing conditions. It is typically white or off-white in color and is odorless in its pure form. PVC is thermoplastic in nature, meaning it can be melted and reshaped multiple times, making it highly versatile for industrial applications.

Iupac Name：ethene
CAS No.: 9002-88-4
Molecular Weight：28.05316
Introduction:
Polyethylene ((C2H4)n) is a synthetic organic polymer, specifically a thermoplastic polymer composed of repeating ethylene monomer units. At room temperature, polyethylene is typically found as a semi-transparent, flexible solid material, varying in color from translucent to opaque white depending on its density and crystallinity. It is odorless and exhibits a waxy texture, especially in its low-density form. This versatile polymer is one of the most widely produced plastics globally and is classified as a polyolefin due to its hydrocarbon-based backbone derived from unsaturated hydrocarbons.

Iupac Name：iron(3+);trisulfate
CAS No.: 10028-22-5
Molecular Weight：153.92348
Introduction:
Ferric sulfate (Fe2(SO4)3) is an inorganic compound. At room temperature, ferric sulfate appears as a white or pale yellow crystalline solid, depending on its hydration state. It is odorless and exhibits no distinct smell. As an inorganic compound, ferric sulfate belongs to the class of sulfate salts and contains iron in its trivalent oxidation state, making it a metal salt with significant industrial relevance.

Iupac Name：calcium;dihydroxide
CAS No.: 1305-62-0
Molecular Weight：74.09268
Introduction:
Calcium hydroxide (Ca(OH)₂) is an inorganic compound. It is composed of calcium ions (Ca²⁺) and hydroxide ions (OH⁻) in a stoichiometric ratio of 1:2. At room temperature, calcium hydroxide exists as a white, odorless solid, commonly encountered in the form of a fine powder. It is only sparingly soluble in water, forming a solution known as limewater, which exhibits a faintly bitter taste and alkaline properties.

Iupac Name：sodium carbonate
CAS No.: 144-55-8
Molecular Weight：84.00661
Introduction:
Sodium bicarbonate (CHNaO3) is an inorganic compound that exists as a white crystalline powder at room temperature. It is odorless and is commonly recognized by its slightly salty and alkaline taste. As a sodium salt of bicarbonate, it is a key component in various chemical systems, including those relevant to biology, industry, and household applications.

Iupac Name：sodium carbonate
CAS No.: 144-55-8
Molecular Weight：84.00661
Introduction:
Sodium bicarbonate (CHNaO3) is an inorganic compound that exists as a white crystalline powder at room temperature. It is odorless and is commonly recognized by its slightly salty and alkaline taste. As a sodium salt of bicarbonate, it is a key component in various chemical systems, including those relevant to biology, industry, and household applications.

Iupac Name：sodium;hydroxide
CAS No.: 1310-73-2
Molecular Weight：39.99711
Introduction:
Sodium hydroxide (NaOH) is an inorganic compound and a strong base, commonly referred to as caustic soda. At room temperature, it exists as a white, odorless solid, typically encountered in the form of pellets, flakes, granules, or as a highly concentrated aqueous solution. The compound exhibits hygroscopic properties, readily absorbing moisture from the air, and dissolves exothermically in water, producing significant heat upon dissolution. Due to its ionic structure consisting of sodium cations (Na⁺) and hydroxide anions (OH⁻), sodium hydroxide is classified as an alkali and is one of the most widely used bases in industrial chemistry.

Iupac Name：sodium;hydroxide
CAS No.: 1310-73-2
Molecular Weight：39.99711
Introduction:
Sodium hydroxide (NaOH) is an inorganic compound and a strong base, commonly referred to as caustic soda. At room temperature, it exists as a white, odorless solid, typically encountered in the form of pellets, flakes, granules, or as a highly concentrated aqueous solution. The compound exhibits hygroscopic properties, readily absorbing moisture from the air, and dissolves exothermically in water, producing significant heat upon dissolution. Due to its ionic structure consisting of sodium cations (Na⁺) and hydroxide anions (OH⁻), sodium hydroxide is classified as an alkali and is one of the most widely used bases in industrial chemistry.

Iupac Name：butan-1-ol
CAS No.: 71-36-3
Introduction:
1-Butanol (C4H10O) is a primary alcohol and an organic compound. At room temperature, it exists as a colorless liquid with a mild, characteristic alcoholic odor. It is slightly soluble in water but completely miscible with most common organic solvents such as ethanol, ether, and acetone. The molecule consists of a four-carbon unbranched hydrocarbon chain terminated by a hydroxyl (-OH) functional group, which contributes to its chemical reactivity and physical properties.

Iupac Name：propan-1-ol
CAS No.: 71-23-8
Molecular Weight：60.09502
Introduction:
1-Propanol (C₃H₈O) is an organic compound. 1-Propanol (C₃H₈O) is a colorless liquid with a characteristic alcoholic odor at room temperature. It is a primary alcohol, belonging to the broader class of aliphatic alcohols. This compound exhibits moderate volatility and is miscible with water, as well as many organic solvents such as ethanol, acetone, and chloroform.

Iupac Name：ethane-1,2-diol
CAS No.: 107-21-1
Molecular Weight：62.06784
Introduction:
Ethylene Glycol (C2H6O2) is an organic compound and a member of the diol family. It is a colorless, odorless, and viscous liquid at room temperature, exhibiting a slightly sweet taste. Due to its hygroscopic nature, ethylene glycol readily absorbs moisture from the environment and is completely miscible with water and many polar solvents. Its molecular structure features two hydroxyl (-OH) groups attached to adjacent carbon atoms of an ethane backbone, which contributes to its high solubility in water and its ability to form hydrogen bonds.

Iupac Name：chloromethane
CAS No.: 74-87-3
Molecular Weight：50.485
Introduction:
Methyl chloride (CH3Cl) is a halogenated organic compound and a simple alkyl halide. At room temperature, it exists as a colorless, volatile gas with a faint, sweet, chloroform-like odor.
Methyl chloride was first synthesized in 1835 by French chemists Jean-Baptiste Dumas and Eugène-Melchior Péligot via the reaction of methanol with hydrochloric acid in the presence of zinc chloride catalyst. It was later independently prepared by Robert Bunsen in 1844 through the chlorination of methane. Historically significant as one of the earliest alkyl halides characterized, methyl chloride serves primarily as a methylating agent in chemical synthesis, a refrigerant (though largely phased out), a solvent for resins and oils, and an intermediate in silicone polymer and quaternary ammonium compound production. Industrially, it is manufactured on a large scale by the catalytic chlorination

Iupac Name：octan-1-ol
CAS No.: 111-87-5
Molecular Weight：130.22792
Introduction:
1-Octanol (C8H18O) is an organic compound. At room temperature, 1-octanol appears as a colorless liquid with a mild, characteristic alcohol odor. It belongs to the class of primary alcohols, which are characterized by having a hydroxyl group (-OH) attached to a primary carbon atom. As an organic compound, 1-octanol exhibits properties typical of aliphatic alcohols, such as its ability to form hydrogen bonds and its partial solubility in water. Its structure and functional group classification make it a versatile molecule in both laboratory and industrial applications.