EC/EG 207-838-8 | Sigma-Aldrich

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Synonym(s): Calcined soda, Carbonic acid disodium salt, Soda ash

Linear Formula: Na₂CO₃

Compare	Product No.	Description					SDS	Pricing
	71363	reference material for titrimetry, certified by BAM, >99.5%
	223530	powder, ≥99.5%, ACS reagent
	222321	ACS reagent, anhydrous, ≥99.5%, powder or granules
	223484	ACS reagent (primary standard), anhydrous, 99.95-100.05% dry basis
	S2127	ReagentPlus^®, ≥99.5%

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Sodium Carbonate Anhydrous

Synonym(s): Sodium carbonate, Calcined soda, Carbonic acid disodium salt, Soda ash

Linear Formula: Na₂CO₃

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	PHR1948	Pharmaceutical Secondary Standard; Certified Reference Material

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Synonym(s): Sal soda, Soda

Linear Formula: Na₂CO₃ · 10H₂O

Compare	Product No.	Description					SDS	Pricing
	71360	puriss. p.a., ≥99.0% (T)
	577782	99.999% trace metals basis

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Linear Formula: Na₂CO₃ · H₂O

Compare	Product No.	Description					SDS	Pricing
	S4132	ReagentPlus^®, ≥99.5%
	230952	ACS reagent, ≥99.5%
	13568	puriss., meets analytical specification of Ph. Eur., BP, NF, FCC, E500, 99.5-100.5% (ex dried subst.)

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Linear Formula: Na₂¹²CO₃

Compare	Product No.	Isotopic Purity	Assay					SDS	Pricing
	490741	99.9 atom % ¹²C	—