에틸렌디아민테트라아세트산, 이나트륨 염

에틸렌디아민테트라아세트산,이나트륨염 · 에틸렌디아민테트라아세트산 · 다이소듐이디티에이 · EDTA-2NA · DISODIUM EDTA · DISODIUM EDETATE · ETA · EDETATE DISODIUM

식별자 및 물리적 특성

CAS No.	139-33-3
분자식	C10H14N2Na2O8
평균 분자량	336.21 g/mol
SMILES	O=C([O-])CN(CCN(CC(=O)[O-])CC(=O)O)CC(=O)O.[Na+].[Na+]
InChIKey	ZGTMUACCHSMWAC-UHFFFAOYSA-L
PubChem CID	8759
DTXSID	DTXSID9027073
현지명	에틸렌디아민테트라아세트산, 이나트륨 염

화학 및 물리적 성질

극성 표면적	161
수소 결합 공여자 수	2
수소 결합 수용자 수	10
회전 가능 결합 수	9
무거운 원자 수	22
형식 전하	0
복잡도	336
물질 분류	Other Uses -> Chelating Agents
화장품	Cosmetic ingredients (Disodium EDTA) -> CIR (Cosmetic Ingredient Review)Viscosity controllingChelating
식품 첨가물	Foods, Drugs -> FDA Regulatory Status of Color Additives
Color/Form	White crystalline powder
인화점	Flash point is> 100 °C,
Animal Drugs	Pharmaceuticals -> UK Veterinary Medicines Directorate List
Decomposition	Disodium EDTA decomposes at 252 °C.When heated to decomposition it emits toxic fumes of /nitrogen oxides and sodium oxides/.
녹는점	MP: 242 °C /EDTA disodium dihydrate/248 °C (dec.)(lit.)
Physical Description	CBIOther SolidDry PowderWhite odorless solid[JECFA] White odorless crystals[Mallinckrodt Baker MSDS]
Other Experimental Properties	Crystals, mp 252 °C (decomposes). pH about 5.3. Solublilty in water at 20 °C: 108 g/100 mL /EDTA disodium dihydrate/
끓는 점	>100 °C
밀도	1.01 g/mL at 25 °C
증기압	0Pa at 25℃
굴절률	n20/D 1.363
저장 조건	2-8°C
용해도	H2O: 투명, 무색
물리적 상태	액체
색상	≤5 (0.5 M)(APHA)
pH	8.0±0.2
냄새	100.00%. 냄새 없는
용해도	물과 섞일 수 있습니다.
BRN	3822669
안정성	흡습성
화장품 원료 기능	킬레이팅점도 조절
InChI	1S/C10H16N2O8.2Na/c13-7(14)3-11(4-8(15)16)1-2-12(5-9(17)18)6-10(19)20/h1-6H2,(H,13,14)(H,15,16)(H,17,18)(H,19,20)/q2*+1/p-2
InChIKey	ZGTMUACCHSMWAC-UHFFFAOYSA-L
SMILES	[Na+].[Na+].OC(=O)CN(CCN(CC(O)=O)CC([O-])=O)CC([O-])=O
LogP(분배 계수)	-4.3 at 25℃
EPA	Ethylenediaminetetraacetic acid disodium salt (139-33-3)
Absorption	cut-off at 268nm

화학적 성질

Disodium edetate occurs as a white crystalline, odorless powder with a slightly acidic taste.

안전 및 규제

규제 정보	Chemical: Glycine, N,Nâ²-1,2-ethanediylbis[N-(carboxymethyl)-, sodium salt (1:2)Glycine, N,N'-1,2-ethanediylbis[N-(carboxymethyl)-, sodium salt (1:2) is listed on the EPA's Chemical Data Reporting (CDR) system. Manufacturers and importers of Glycine, N,N'-1,2-ethanediylbis[N-(carboxymethyl)-, sodium salt (1:2) are required to report information about their production and use of this chemical to the EPA under the Toxic Substances Control Act (TSCA). (40 eCFR Part 711)Disodium EDTA: Does not have an individual approval but may be used under an appropriate group standard
기타 안전 정보	IMAP assessments - Glycine, N,N'-1,2-ethanediylbis[N-(carboxymethyl)-, disodium salt: Human health tier I assessment
유해성 요약	Causes convulsions in oral lethal-dose studies of ratsCauses other changes of the liver and kidney in 30-day intermittent oral studies of rabbits[RTECS] Acceptable daily intake (ADI) of 0-2.5 mg/kg[JECFA] A mild irritant[Mallinckrodt Baker MSDS] See Edetic acid.
FDA 요건	The Approved Drug Products with Therapeutic Equivalence Evaluations identifies discontinued drug products. Edetate disodium is included on this list.
FIFRA 요건	Residues of the following chemical substances are exempted from the requirement of a tolerance when used in accordance with good manufacturing practice as ingredients in an antimicrobial pesticide formulation, provided that the substance is applied on a semi-permanent or permanent food-contact surface (other than being applied on food packaging) with adequate draining before contact with food. ... (b) The following chemical substances when used as ingredients in an antimicrobial pesticide formulation may be applied to: Dairy processing equipment, and food-processing equipment and utensils. Ethylenediaminetetraacetic acid (EDTA), disodium salt is included on this list. Limit: When ready for use, the end-use concentration is not to exceed 1400 ppm.Residues of the following chemical substances are exempted from the requirement of a tolerance when used in accordance with good manufacturing practice as ingredients in an antimicrobial pesticide formulation, provided that the substance is applied on a semi-permanent or permanent food-contact surface (other than being applied on food packaging) with adequate draining before contact with food. ... (c) The following chemical substances when used as ingredients in an antimicrobial pesticide formulation may be applied to: Food-processing equipment and utensils. Ethylenediaminetetraacetic acid (EDTA), disodium salt is included on this list. Limit: When ready for use, the end-use concentration is not to exceed 1400 ppm.

용도

비누 / 세제 : 칼슘 및 마그네슘 비누 형성의 예방; 비누와 세제의 세제를 개선합니다. 과 붕산염과과 탄산염 표백제를 안정화시킵니다. 화학 세척 : 옥살산 칼슘, 황산 칼슘, 탄산 칼슘, 황산 바륨, 및 공정 설비로부터의 다른 타입의 스케일을 제거한다. I & I 청소기 : 스케일을 용해 스케일 형성을 방지, 계면 활성제의 세정력을 향상시킨다. 농축 된 액체 세제 및 샴푸의 탁도를 방지합니다. 유제, 윤활제 및 광택제에 대한 다가 금속 이온의 효과를 최소화합니다. 금속 마감 : 금속 제품의 산화막의 제거; 알칼리성 파쇄; 침산 조의 정전기 방지제; 알칼리 탈지. 섬유가 : 정련에 금속 이온을 제어, 종기 오프, 표백, 염색, 제거하고 작업을 마무리합니다. 형광 증 백제를 금속 촉매 산화 및 분해로부터 보호합니다. 염료의 변색을 방지합니다. 펄프 / 종이 : 수력 표백제의 효율성을 향상; 금속 촉매 밝기 복귀를 감소시킵니다. 스케일 제거 공정 장비에 사용됩니다. 염료가 금속으로 침전되는 것을 방지합니다.

용도

Ethylenediaminetetraacetic acid disodium salt is widely used in textile industry. Usually applied to dissolve limescale. It is applied in textile industry, pulp and paper industry and also in chelation therapy. In cosmetics, it acts as a sequestering agent. It acts as a corrosion inhibitor to carbon steel in the industries. It also acts as a food additive.

일반 설명

Ethylenediamine tetraacetate (EDTA) is a calcium ion chelator, that has a low molecular mass of 292.24 Da.

제조 및 합성 방법

생산 방법

Disodium edetate may be prepared by the reaction of edetic acid and sodium hydroxide.