ʻO Disodium ethylenediaminetetraacetate (ʻike pū ʻia ʻo disodium EDTA) he mea hana chelating ikaika. Ma muli o kona kūpaʻa kiʻekiʻe mau a me ka nui o ka hoʻohui ʻana, hiki iā ia ke pili me ka hapa nui o nā metala koe wale nā ​​metala alkali (Pēlā me ka hao, keleawe, calcium, magnesium a me nā ion multivalent ʻē aʻe) chelate e hana i nā paʻa paʻa wai-soluble, e hoʻopau i nā ion metala a i ʻole. nā hopena ʻino i hana ʻia e lākou.

ʻO Disodium EDTA he pauka keʻokeʻo keʻokeʻo i hiki ke hoʻoheheʻe ʻia i ka wai a aneane hiki ʻole ke hoʻoheheʻe ʻia i ka ethanol a me ka etera. ʻO ka pH waiwai o kāna ʻano wai e pili ana i ka 5.3 a hoʻohana ʻia i nā detergents, nā mea kōkua dyeing, fiber processing agents, cosmetic additives, food additives, agricultural micro-fertilizers a me Mariculture, etc.

Nā kikoʻī:

inoa Pelekane ʻo Disodium edetate dihydrate
CAS6381-92-6
EINECS Helu 205-358-3
Huina molekika C10H18N2Na2O10
MDL Helu MFCD00003541
Kaumaha molekula 372.24

Nānā: Nā kristal keʻokeʻo.
ʻAno: ka pauka crystalline keʻokeʻo. Hoʻoheheʻe ʻia i ka wai. ʻAʻole hiki ke hoʻonā i ka waiʻona.
Solubility: Hiki ke hoʻoheheʻe i ka wai, hiki ke hoʻoheheʻe iki i ka waiʻona.
Ka helu hehee 250 °C (Dek.)(kumu)
Puni paila>100 °C
1.01 g/mL ma 25 °C