ChemicalBook
Chinese English Japanese Germany Korea

탄산나트륨(경회)

탄산나트륨(경회)
탄산나트륨(경회) 구조식 이미지
카스 번호:
497-19-8
한글명:
탄산나트륨(경회)
동의어(한글):
무수탄산소다;1N(0.5M)탄산나트륨;N/10(0.05M)탄산나트륨;나트륨탄산염용액1N;디나트륨탄산염;비나트륨탄산염;소다회;탄산나트륨;탄산나트륨염;탄산나트륨염(1:2);탄산,디나트륨염;탄산나트륨,무수;탄산이나트륨;베네딕트용액;무수탄산나트륨;탄산나트륨;소듐카보네이트;N-도데킬벤젠;도데실벤젠;에틸렌글리콜다이글리시딜에테르(ETHYLENEGLYCOLDIGLYCIDYLETHER)
상품명:
Sodium carbonate
동의어(영문):
ASH;Na-X;HYPO;Consal;'HYPO';Grb3-3;MST084;ODA ASH;MSTP084;Calcined
CBNumber:
CB9853672
분자식:
CNa2O3
포뮬러 무게:
105.99
MOL 파일:
497-19-8.mol

탄산나트륨(경회) 속성

녹는점
851 °C(lit.)
끓는 점
1600°C
밀도
2.53
굴절률
1.535
저장 조건
2-8°C
용해도
H2O: 1 M at 20 °C, clear, colorless
물리적 상태
Solid
Density
2.53 g/cm3
Melting Point
851 °C
Specific Gravity
2.532
색상
White
수소이온지수(pH)
11.16 (4g/l, H2O, 25℃)
산도 계수 (pKa)
(1) 6.37, (2) 10.25 (carbonic (at 25℃)
수용성
22 g/100 mL (20 ºC)
감도
Hygroscopic
최대 파장(λmax)
λ: 260 nm Amax: 0.01
λ: 280 nm Amax: 0.01
Merck
14,8596
BRN
4154566
안정성
Stable. Incompatible with powdered alkaline earth metals, aluminium, organic nitro compounds, fluorine, alkali metals, nonmetallic oxides, concentrated sulfuric acid, oxides of phosphorus.
InChIKey
CDBYLPFSWZWCQE-UHFFFAOYSA-L
CAS 데이터베이스
497-19-8(CAS DataBase Reference)
NIST
Sodium carbonate(497-19-8)
EPA
Carbonic acid disodium salt(497-19-8)
안전
  • 위험 및 안전 성명
  • 위험 및 사전주의 사항 (GHS)
위험품 표기 Xn,Xi
위험 카페고리 넘버 32-36-51/53-36/37/38-41-37/38
안전지침서 36/37-26-22-36-39
유엔번호(UN No.) UN 3082 9/PG 3
WGK 독일 2
RTECS 번호 XN6476000
F 고인화성물질 3
TSCA Yes
HS 번호 28362000
유해 물질 데이터 497-19-8(Hazardous Substances Data)
독성 LD50 orally in Rabbit: 4090 mg/kg
그림문자(GHS):
신호 어: Warning
유해·위험 문구:
암호 유해·위험 문구 위험 등급 범주 신호 어 그림 문자 P- 코드
H303 삼키면 유해할 수 있음 급성 독성 물질 - 경구 구분 5 P312
H319 눈에 심한 자극을 일으킴 심한 눈 손상 또는 자극성 물질 구분 2A 경고 P264, P280, P305+P351+P338,P337+P313P
예방조치문구:
P264 취급 후에는 손을 철저히 씻으시오.
P264 취급 후에는 손을 철저히 씻으시오.
P280 보호장갑/보호의/보안경/안면보호구를 착용하시오.
P305+P351+P338 눈에 묻으면 몇 분간 물로 조심해서 씻으시오. 가능하면 콘택트렌즈를 제거하시오. 계속 씻으시오.
P337+P313 눈에 대한 자극이 지속되면 의학적인 조치· 조언를 구하시오.

탄산나트륨(경회) MSDS


Sodium carbonate

탄산나트륨(경회) C화학적 특성, 용도, 생산

개요

소다회는 가성소다와 함께 알카리 산업의 대표적인 제품으로 화학산업의 기초원료로 널리 사 용되고 있습니다. 소다회 제조 방법은 당사와 같은 합성방법과 천연의 소다회 광물을 정제하는 천연소다회 방식이 있습니다. 천연소 다회 방식은 제조원가면에서 유리하나 지정학적으로 부존자원이 존재하는 미국에서 주로 생산되며, 기타국가에서는 합성방식을 채택 하고 있습니다.

용도

· 유리공업 : 융점 강하제, 알칼리 성분 공급
 비누,세제 : 지방산 중화제, 세척기능 증진의 혼합제
· 식품공업 : 장유제조, 버터.크림.카카오 제조시 중화제
· 섬유공업 : 원모세정공정, 제품의 정련 및 표백제
· 제지공업 : 섬유소의 연화제, pH 조정제
· 화학공업 : 중조, 규산소다, 인산소다 제조 등
·기 타 : 화학약품의 중화제, 산업용수 연화제, 폐수처리제

개요

Sodium carbonate is known as soda ash or washing soda and is a heavily used inorganic compound. Approximately 45 million tons of soda ash are produced globally both naturally and synthetically. Soda ash is obtained naturally primarily from the mineral trona, but it can also be obtained from nahcolite (NaHCO3) and salt brine deposits. Trona is a freshwater sodium carbonate-bicarbonate evaporite, with the formula Na3CO3HCO3 .2H2O. The largest known deposit of trona is located in the Green River area of Wyoming, and other large deposits are found in Egypt’s Nile Valley and California’s Searles basin around the city of Trona. Soda ash is produced from mined trona by crushing and screening the ore and then heating it. Th is produces a soda ash mixed with impurities. Pure soda ash is obtained by dissolving the product and precipitating impurities combined with filtering processes.

화학적 성질

Sodium carbonate, Na2C03, also known as soda or soda ash,is the most important of the industrial alkalis. It is a white or grayish-white, lumpy, water-soluble powder that loses its water of crystallization when heated. It decomposes at a temperature of about 852°C (1560°F). It exists in solution only. It is prepared by the combination of carbon dioxide and water.

물리적 성질

Carbonic acid has the formulaH2CO3 (equivalently OC(OH)2). It is also a name sometimes given to solutions of CO2 in water

역사

Sodium carbonate, Na2CO3, has been used historically for making glass, soap, and gunpowder. Along with potassium carbonate, known as potash, sodium carbonate was the basis of the alkali industry, which was one of the first major chemical industries. Throughout history, alkalis were obtained from natural sources. Soda ash was also produced by burning wood and leaching the ashes with water to obtain a solution that yielded soda ash when the water was boiled off. The name soda ash originates from the barilla plant, which was used to produce soda ash. The scientific name of this plant is Salsola soda, but it goes by the common names of sodawort or glasswort because the soda produced from it was used in making glass. Barilla is a common plant found in saline waters along the Mediterranean Sea in Spain and Italy. Barilla was dried and burned to produce soda ash. The depletion of European forests and international disputes made the availability of alkali salts increasingly uncertain during the latter part of the 18th century. LeBlanc proposed a procedure in 1783, and a plant based on LeBlanc’s method was opened in 1791. Unfortunately, LeBlanc’s association with French Royalty led to the confi scation of the plant at the time of the French Revolution. Furthermore, confl icting claims for LeBlanc’s method were made by several other chemists and he never received the reward.

용도

Carbonic acid is used in the manufacture of soft drinks, inexpensive and artificially carbonated sparkling wines, and other bubbly drinks.

용도

Soda ash is used in glass making, in production of sodium chemicals (such as sodium chromates, phosphates, and silicates), in the wood pulp industry, in production of soaps and detergents, in oil refining, in water softening, and in refining of nonferrous metals. In its hydrous crystallized form (Na2C03.10H2O), it is known as sal soda,washing soda,or soda crystals, not to be confused with baking soda,which is sodium hydrogen carbonate or sodium bicarbonate (NaHC03). Its monohydrate form(Na2C03·H20) is the standard compound for scouring solutions.
When in solution, sodium carbonate creates less alkalinity than the hydroxides. A 0.1% solution creates a pH of 11;a fully saturated solution is 35%, which has a pH of 12.5.
The safety requirements for sodium carbonate, because of its lower alkalinity, can be considered less demanding than those for the related bicarbonates.

용도

Sodium Carbonate is an alkali that exists as crystals or crystalline powder and is readily soluble in water. it has numerous functions: an antioxidant, a curing and pickling agent, a flavoring agent, a processing aid, a sequestrant, and an agent for ph control. it is used in instant soups to neutralize acidity. it is used in alginate water des- sert gels to sequester the calcium, allowing the alginate to solubilize. it is also used in puddings, sauces, and baked goods.

용도

Sodium carbonate is also known as washing soda or carbonate of soda, sodium carbonate is a white crystal or powder made by converting salt into sodium sulfate, which was followed by roasting with limestone and coal. It is soluble in water and glycerin but not alcohol. Sodium carbonate was used as a pH modifier in toning baths and as the primary alkali in developers used for gelatin emulsions.

정의

A dibasic acid formed in small amounts in solution when carbon dioxide dissolves in water: CO2 + H2O?H2CO2 It forms two series of salts: hydrogencarbonates (HCO3–) and carbonates (CO32-). The pure acid cannot be isolated.

정의

carbonic acid: A dibasic acid,H2CO3, formed in solution when carbondioxide is dissolved in water:
CO2(aq) + H2O(l) →H2CO3(aq)
The acid is in equilibrium with dissolvedcarbon dioxide, and also dissociatesas follows:
H2CO3→H+ + HCO3-
Ka = 4.5 × 10–7 mol dm–3
HCO3→CO32–+ H+
Ka = 4.8 × 10–11 mol dm–3
The pure acid cannot be isolated,although it can be produced in ethersolution at –30°C. Carbonic acid givesrise to two series of salts: the carbonatesand the hydrogencarbonates.

정의

sodium carbonate: Anhydrous sodium carbonate (soda ash, sal soda) is a white powder, which cakes and aggregates on exposure to air due to the formation of hydrates. The monohydrate, Na2COH2O, is a white crystalline material, which is soluble in water and insoluble in alcohol; r.d. 2.532; loses water at 109°C; m.p. 851°C.
The decahydrate, Na2CO3·10H2O (washing soda), is a translucent efÛorescent crystalline solid; r.d. 1.44; loses water at 32–34°C to give the monohydrate; m.p. 851°C.
Sodium carbonate may be manufactured by the Solvay process or by suitable crystallization procedures from any one of a number of natural deposits, such as:
trona (Na2CO3·NaHCO3·2H2O),
natron (Na2CO3·10H2O),
ranksite (2Na2CO3·9Na2SO4·KCl),
pirsonnite (Na2CO3·CaCO3·2H2O),
gaylussite (Na2CO3·CaCO3·5H2O).
The method of extraction is very sensitive to the relative energy costs and transport costs in the region involved. Sodium carbonate is used in photography, in cleaning, in pH control of water, in textile treatment, glasses and glazes, and as a food additive and volumetric reagent.

Safety Profile

Poison by intraperitoneal route. Moderately toxic by inhalation and subcutaneous routes. Mlldly toxic by ingestion. Experimental reproductive effects. A skin and eye irritant. It migrates to food from packagmg materials. Can react violently with Al, P2O5, H2SO4, F2, Li, 2,4,6-trinitrotoluene. When heated to decomposition it emits toxic fumes of Na2O

Purification Methods

It crystallises from water as the decahydrate which is redissolved in water to give a near-saturated solution. By bubbling CO2, NaHCO3 is precipitated. It is filtered off, washed and ignited for 2hours at 280o [MacLaren & Swinehart J Am Chem Soc 73 1822 1951]. Before being used as a volumetric standard, analytical grade material should be dried by heating at 260-270o for 0.5hour and allowed to cool in a desiccator. It has a transition point at 450o, and its solubility in water is 21.58% at 20o (decahydrate in solid phase), 49.25% at 35o (heptahydrate in solid phase) and 44.88% at 75o(monohydrate in solid phase) [D.nges in Handbook of Preparative Inorganic Chemistry (Ed. Brauer) Academic Press Vol I p 987-988 1963]. After three recrystallisations, technical grade Na2CO3 had Cr, Mg, K, P, Al, W, Sc and Ti at 32, 9.4, 6.6, 3.6, 2.4, 0.6, 0.2 and 0.2 ppm respectively; another technical source had Cr, Mg, Mo, P, Si, Sn and Ti at 2.6, 0.4, 4.2, 13.4, 32, 0.6, 0.8 ppm respectively.

탄산나트륨(경회) 준비 용품 및 원자재

원자재

준비 용품


탄산나트륨(경회) 공급 업체

글로벌( 568)공급 업체
공급자 전화 팩스 이메일 국가 제품 수 이점
Henan Tianfu Chemical Co.,Ltd.
0371-55170693
0371-55170693 info@tianfuchem.com CHINA 20672 55
Mainchem Co., Ltd.
+86-0592-6210733
+86-0592-6210733 sale@mainchem.com CHINA 32447 55
Shanghai Yingrui Biopharma Co., Ltd.
+86-21-33585366 E-mail:sales03@shyrchem.com
+86-21-34979012 sales03@shyrchem.com CHINA 739 60
Hefei TNJ Chemical Industry Co.,Ltd.
86-0551-65418684 18949823763
86-0551-65418684 info@tnjchem.com China 1861 55
Shanghai Zheyan Biotech Co., Ltd.
18017610038
zheyansh@163.com CHINA 3623 58
career henan chemical co
+86-371-86658258
sales@coreychem.com CHINA 30001 58
Hebei Huanhao Biotechnology Co., Ltd.
86-18034554576 whatsapp +8618034554576
86-0311-83975816 grace@hbhuanhao.com CHINA 720 58
Chemwill Asia Co.,Ltd.
86-21-51086038
86-21-51861608 chemwill_asia@126.com;sales@chemwill.com;chemwill@hotmail.com;chemwill@gmail.com CHINA 23980 58
Hubei Jusheng Technology Co.,Ltd.
86-18871470254
027-59599243 sales@jushengtech.com CHINA 28236 58
Haihang Industry Co.,Ltd
86-531-88032799
+86 531 8582 1093 export@haihangchem.com CHINA 8918 58

탄산나트륨(경회) 관련 검색:

Copyright 2019 © ChemicalBook. All rights reserved