Humic acids
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Humic acids
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CAS No:
1415-93-6
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Chemical Name:
Humic acids
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Synonyms:
Humic acids;Ulmic acids;Humic acid;Agro-Lig;Soil organic matter,humic acids;PGS 10;Enersol;Humus and Humic substances,humic acids;Humic substances,acids;Humasorb;Humasorb L;Humasorb S;Sanfidor;Enhance THA;PGS 10 (humic acid);FTJ 3;Humel;Rostok;Apicare;Reasil Humicvet;Activ80 AG;Activ80 GG;Activ80 MP;Activ80 XP
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CAS No:
Description
black granulesA brown, polymeric constituent of soils, lignite, and peat; it contains the brownishblack pigment melanin. It is soluble in bases, but insoluble in mineral acids and alcohols. It is not a well-defined compound but a mixture of polymers containing aromaticHumic acid is also known as humus acid. A complex mixture of natural organic polymer compounds. Black or black brown amorphous powder, slightly soluble in water and acid, soluble in hot concentrated nitric acid with dark red. Solu
Organic matter in a state of advanced decay, after passing through the stages of COMPOST and PEAT and before becoming lignite (COAL). It is composed of a heterogenous mixture of compounds including phenolic radicals and acids that polymerize and are not easily separated nor analyzed. (E.A. Ghabbour and G. Davies, eds. Humic Substances, 2001).
Characteristics
0.2
Potassium is a soft silvery metal though normally grayish white due to oxidation.
0.86 at 68 °F (USCG, 1999)
>300℃
1425 °F at 760 mm Hg (USCG, 1999)
Slightly soluble in water, with much swellingSoluble in organic solvents like acetone and benzenol. Slightly soluble in water.
Keep tightly closed in a cool place in a tightly closed container.
8 mm Hg at 432 °C
-7None
Safety Information
NONH for all modes of transport
3
36/37/38
26-36
MT6544000
Xi
Stable. Incompatible with strong oxidizing agents.
P261-P305 + P351 + P338
H315-H319-H335
|Warning|H315 (100%): Causes skin irritation [Warning Skin corrosion/irritation]|P261, P264, P271, P280, P302+P352, P304+P340, P305+P351+P338, P312, P321, P332+P313, P337+P313, P362, P403+P233, P405, and P501|Aggregated GHS information provided by 162 companies from 4 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.
Drug Information
Chemicals that bind to and remove ions from solutions. Many chelating agents function through the formation of COORDINATION COMPLEXES with METALS. (See all compounds classified as Chelating Agents.)
Acid, Humic
Humic acids Use and Manufacturing
Use high-quality lignite to react with caustic soda [lignite: caustic soda = 100: (10-20) (mass ratio)], filter and concentrate the reaction solution to dry it to obtain the product.
In the aquatic media, humic acid molecules develop unique characteristics.
Humic acid can be broken down into two groups, based on the size and polarity of the individual components. The smaller, more polar fraction is called fulvic acid and the larger, non-polar fraction is the humic acid. The acids are soluble in sodium hydroxide.
Humic acids are soluble in alkaline solutions. But on acidification of the alkaline extracts, they precipitate (Fulvic acid, on the other hand, remains s
Humic acids: ACTIVE
Computed Properties
Molecular Weight:227.17
Hydrogen Bond Donor Count:2
Hydrogen Bond Acceptor Count:6
Rotatable Bond Count:2
Exact Mass:227.04298701
Monoisotopic Mass:227.04298701
Topological Polar Surface Area:120
Heavy Atom Count:16
Complexity:411
Undefined Atom Stereocenter Count:4
Covalently-Bonded Unit Count:1
Compound Is Canonicalized:Yes
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