| Substance | Relationship Strength | Studies | Trials | Classes | Roles |
|---|
hydrobromic acid
Hydrobromic Acid: Hydrobromic acid (HBr). A solution of hydrogen bromide gas in water.. hydrobromide : Salts formally resulting from the reaction of hydrobromic acid with an organic base.. hydrogen bromide : A diatomic molecule containing covalently bonded hydrogen and bromine atoms. | 2.47 | 2 | 0 | gas molecular entity;
hydrogen halide;
mononuclear parent hydride | mouse metabolite |
carbonic acid
Carbonic Acid: Carbonic acid (H2C03). The hypothetical acid of carbon dioxide and water. It exists only in the form of its salts (carbonates), acid salts (hydrogen carbonates), amines (carbamic acid), and acid chlorides (carbonyl chloride). (From Grant & Hackh's Chemical Dictionary, 5th ed) | 2.46 | 2 | 0 | carbon oxoacid;
chalcocarbonic acid | mouse metabolite |
hydrogen
Hydrogen: The first chemical element in the periodic table with atomic symbol H, and atomic number 1. Protium (atomic weight 1) is by far the most common hydrogen isotope. Hydrogen also exists as the stable isotope DEUTERIUM (atomic weight 2) and the radioactive isotope TRITIUM (atomic weight 3). Hydrogen forms into a diatomic molecule at room temperature and appears as a highly flammable colorless and odorless gas.. dihydrogen : An elemental molecule consisting of two hydrogens joined by a single bond. | 2.11 | 1 | 0 | elemental hydrogen;
elemental molecule;
gas molecular entity | antioxidant;
electron donor;
food packaging gas;
fuel;
human metabolite |
malonic acid
malonic acid : An alpha,omega-dicarboxylic acid in which the two carboxy groups are separated by a single methylene group.. dicarboxylic acid : Any carboxylic acid containing two carboxy groups. | 2.15 | 1 | 0 | alpha,omega-dicarboxylic acid | human metabolite |
nitric acid
Nitric Acid: Nitric acid (HNO3). A colorless liquid that is used in the manufacture of inorganic and organic nitrates and nitro compounds for fertilizers, dye intermediates, explosives, and many different organic chemicals. Continued exposure to vapor may cause chronic bronchitis; chemical pneumonitis may occur. (From Merck Index, 11th ed). nitric acid : A nitrogen oxoacid of formula HNO3 in which the nitrogen atom is bonded to a hydroxy group and by equivalent bonds to the remaining two oxygen atoms. | 2.02 | 1 | 0 | nitrogen oxoacid | protic solvent;
reagent |
phosphoric acid
phosphoric acid: concise etchant is 37% H3PO4. phosphoric acid : A phosphorus oxoacid that consists of one oxo and three hydroxy groups joined covalently to a central phosphorus atom. | 2.11 | 1 | 0 | phosphoric acids | algal metabolite;
fertilizer;
human metabolite;
NMR chemical shift reference compound;
solvent |
sulfuric acid
sulfuric acid : A sulfur oxoacid that consists of two oxo and two hydroxy groups joined covalently to a central sulfur atom. | 7.44 | 2 | 0 | sulfur oxoacid | catalyst |
urea
pseudourea: clinical use; structure. isourea : A carboximidic acid that is the imidic acid tautomer of urea, H2NC(=NH)OH, and its hydrocarbyl derivatives. | 2.15 | 1 | 0 | isourea;
monocarboxylic acid amide;
one-carbon compound | Daphnia magna metabolite;
Escherichia coli metabolite;
fertilizer;
flour treatment agent;
human metabolite;
mouse metabolite;
Saccharomyces cerevisiae metabolite |
cyanides
Cyanides: Inorganic salts of HYDROGEN CYANIDE containing the -CN radical. The concept also includes isocyanides. It is distinguished from NITRILES, which denotes organic compounds containing the -CN radical.. cyanides : Salts and C-organyl derivatives of hydrogen cyanide, HC#N.. isocyanide : The isomer HN(+)#C(-) of hydrocyanic acid, HC#N, and its hydrocarbyl derivatives RNC (RN(+)#C(-)).. cyanide : A pseudohalide anion that is the conjugate base of hydrogen cyanide. | 2.11 | 1 | 0 | pseudohalide anion | EC 1.9.3.1 (cytochrome c oxidase) inhibitor |
sulfamic acid
sulfamic acid: standard in alkalimetry; RN given refers to parent cpd; structure. sulfamic acid : The simplest of the sulfamic acids consisting of a single sulfur atom covalently bound by single bonds to hydroxy and amino groups and by double bonds to two oxygen atoms. | 2.02 | 1 | 0 | sulfamic acids | |
4-cymene
4-cymene: structure. p-cymene : A monoterpene that is toluene substituted by an isopropyl group at position 4. | 2.11 | 1 | 0 | monoterpene;
toluenes | human urinary metabolite;
plant metabolite;
volatile oil component |
boric acid
[no description available] | 2.11 | 1 | 0 | boric acids | astringent |
melamine
melamine: RN given refers to parent cpd; structure. melamine : A trimer of cyanamide, with a 1,3,5-triazine skeleton. | 2.15 | 1 | 0 | triamino-1,3,5-triazine | xenobiotic metabolite |
pentane
Pentanes: Five-carbon saturated hydrocarbon group of the methane series. Include isomers and derivatives.. pentane : A straight chain alkane consisting of 5 carbon atoms. | 2.11 | 1 | 0 | alkane;
volatile organic compound | non-polar solvent;
refrigerant |
n-heptane
Heptanes: Seven-carbon alkanes with the formula C7H16.. heptane : A straight-chain alkane with seven carbon atoms. It has been found in Jeffrey pine (Pinus jeffreyi). | 2.11 | 1 | 0 | alkane;
volatile organic compound | non-polar solvent;
plant metabolite |
hydrazine
diamine : Any polyamine that contains two amino groups. | 2.05 | 1 | 0 | azane;
hydrazines | EC 4.3.1.10 (serine-sulfate ammonia-lyase) inhibitor |
cyanogen chloride
cyanogen chloride: structure | 2.11 | 1 | 0 | | |
chloric acid
[no description available] | 2.02 | 1 | 0 | chlorine oxoacid | |
cerium
Cerium: An element of the rare earth family of metals. It has the atomic symbol Ce, atomic number 58, and atomic weight 140.12. Cerium is a malleable metal used in industrial applications. | 2.15 | 1 | 0 | f-block element atom;
lanthanoid atom | |
helium
Helium: A noble gas with the atomic symbol He, atomic number 2, and atomic weight 4.003. It is a colorless, odorless, tasteless gas that is not combustible and does not support combustion. It was first detected in the sun and is now obtained from natural gas. Medically it is used as a diluent for other gases, being especially useful with oxygen in the treatment of certain cases of respiratory obstruction, and as a vehicle for general anesthetics. | 2.11 | 1 | 0 | monoatomic helium;
noble gas atom;
s-block element atom | food packaging gas |
perchloric acid
[no description available] | 2.02 | 1 | 0 | chlorine oxoacid | |
iodic acid
iodic acid: RN given refers to parent cpd | 2.02 | 1 | 0 | iodine oxoacid | astringent |
fluorides
[no description available] | 2.6 | 1 | 0 | halide anion;
monoatomic fluorine | |
metaperiodate
Periodic Acid: A strong oxidizing agent. | 2.02 | 1 | 0 | iodine oxoacid | |
sulfamide
sulfamide : The simplest of the sulfamic acids consisting of a single sulfur atom covalently bound by single bonds to two amino groups and by double bonds to two oxygen atoms. | 2.02 | 1 | 0 | sulfamides | |
hydroxyl radical
Hydroxyl Radical: The univalent radical OH. Hydroxyl radical is a potent oxidizing agent. | 2.11 | 1 | 0 | oxygen hydride;
oxygen radical;
reactive oxygen species | |
selenium
Selenium: An element with the atomic symbol Se, atomic number 34, and atomic weight 78.97. It is an essential micronutrient for mammals and other animals but is toxic in large amounts. Selenium protects intracellular structures against oxidative damage. It is an essential component of GLUTATHIONE PEROXIDASE. | 2.05 | 1 | 0 | chalcogen;
nonmetal atom | micronutrient |