NIST-IUPAC Solubility Data Series

Sodium formate with Ethanol and Water (IUPAC SDS Volume 73)

SDS Volume

Volume 73. Metal and Ammonium Formate Systems, p None

Source Publication

Mairesse-Gawel, W.; Mairesse, G.; Vandorpe, B.; Heubel, J.; Rev. Chim. Min. 7, 273 (1970).

Conditions:

Temperature: 298.7, 300.7 and 303.2 $\pu{K}$

Compiler:

T.A. Ageyeva

Methodology:

The isothermal method was used. However, ethanol was determined by the oxidimetric method.

Sample Information:

No information is given. But it appears that the source and purity of these materials were the same as those reported earlier [1].

Measurement Errors:

Ambient temperature: ±0.3 K; solubility: ±0.1 mass%.

Methodology Citation

¹ Heubel, J.; Vandorpe, B.; Devallez, B.; Bull. Soc. Chim. Fr. 531 (1963).

System Components:

Sodium formate, $\ce{ NaCHO2 }$; [141-53-7] NIST WebBook
Ethanol, $\ce{ C2H6O }$; [64-17-5] NIST WebBook
Water, $\ce{ H2O }$; [7732-18-5] NIST WebBook

Experimental Data

$T$ ($\pu{K}$)	100w₁	100w₂	100w₃	$100 x_{1}$	$100 x_{2}$	$100 x_{3}$	Phase (s) ()
298.7	48.6	0.0	51.4	20.3^a	0.0^a	80.0^a	A
298.7	48.5	0.0	51.5	20.0^a	0.0^a	80.0^a	A
298.7	47.6	1.6	50.8	19.7^a	0.98^a	79.3^a	A
298.7	45.6	4.6	49.8	19.0^a	2.8^a	78.2^a	A
298.7	44.6	6.2	49.2	18.6^a	3.8^a	77.6^a	A
298.7	44.8	6.1	49.1	18.7^a	3.8^a	77.5^a	A
298.7	44.5	6.5	49.0	18.6^a	4.0^a	77.4^a	A
298.7	44.5	6.7	48.8	18.7^a	4.2^a	77.2^a	B
298.7	44.2	6.9	48.9	18.5^a	4.3^a	77.2^a	C
298.7	44.3	6.9	48.8	18.6^a	4.3^a	77.2^a	D
298.7	43.3	8.4	48.3	18.2^a	5.2^a	76.6^a	D
298.7	43.1	8.7	48.2	18.1^a	5.4^a	76.5^a	D
298.7	43.9	9.4	46.7	18.8^a	5.9^a	75.3^a	D
298.7	42.5	8.7	48.8	17.7^a	5.4^a	79.9^a	D
298.7	42.3	9.1	48.6	17.7^a	5.6^a	76.7^a	D
298.7	42.9	8.9	48.2	18.0^a	5.5^a	76.5^a	D
298.7	7.9	70.0	22.1	4.1^a	53.1^a	42.9^a	D
298.7	7.8	69.2	23.0	4.0^a	51.9^a	44.1^a	D
298.7	7.6	69.5	22.9	3.9^a	52.2^a	44.0^a	D
298.7	7.7	69.7	22.6	3.9^a	52.5^a	43.5^a	D
298.7	8.0	69.8	22.2	4.1^a	52.9^a	43.0^a	D
298.7	7.9	70.1	22.0	4.1^a	53.2^a	42.7^a	D
298.7	3.5	79.9	16.6	1.9^a	64.1^a	34.0^a	D
298.7	1.5	90.4	8.1	0.91^a	80.6^a	18^a	D
298.7	0.2	99.8	0.0	0.1^a	99.9^a	0.0^a	D
300.7	50.4	0.0	49.6	31.2^a	0.0^a	78.8^a	B
300.7	50.2	0.0	49.8	21.4^a	0.0^a	78.6^a	A
300.7	50.0	0.3	49.7	21.0^a	0.2^a	78.8^a	B
300.7	49.9	0.6	49.5	21.0^a	0.4^a	78.6^a	C
300.7	49.3	1.3	49.4	20.7^a	0.81^a	78.5^a	D
300.7	48.7	1.9	49.4	20.5^a	1.2^a	78.4^a	D
300.7	48.9	2.4	48.7	20.7^a	1.5^a	77.8^a	D
300.7	47.6	3.2	49.2	20.0^a	2.0^a	78.0^a	D
300.7	46.7	4.0	49.3	19.6^a	2.5^a	78.0^a	D
300.7	46.9	4.2	48.9	19.7^a	2.6^a	77.7^a	D
300.7	45.0	7.1	47.9	19.1^a	4.4^a	76.5^a	D
300.7	44.4	7.3	48.3	18.7^a	4.5^a	76.8^a	D
300.7	44.0	8.1	47.9	18.6^a	5.1^a	76.4^a	D
300.7	43.3	9.4	47.3	18.4^a	5.9^a	75.7^a	E
300.7	8.3	71.8	19.9	4.4^a	56.0^a	39.7^a	E
300.7	5.9	77.3	16.8	3.2^a	62.2^a	34.6^a	D
300.7	4.8	78.1	17.1	2.6^a	62.5^a	35.0^a	D
300.7	4.8	79.7	15.5	2.7^a	65.0^a	32.3^a	D
300.7	3.1	82.9	14.0	1.7^a	68.6^a	29.6^a	D
300.7	1.5	88.4	10.1	0.88^a	76.7^a	22.4^a	D
300.7	0.7	94.7	4.6	0.4^a	88.6^a	11^a	D
300.7	0.1	99.8	0.1	0.07^a	99.7^a	0.3^a	D
303.2	50.7	0.0	49.3	21.4^a	0.0^a	78.6^a	D
303.2	49.2	1.3	49.5	20.7^a	0.81^a	78.5^a	D
303.2	48.2	2.9	48.9	20.3^a	1.8^a	77.9^a	D
303.2	46.6	4.7	48.7	19.6^a	2.9^a	77.4^a	D
303.2	46.4	5.6	48.0	19.7^a	3.5^a	76.8^a	D
303.2	44.4	8.0	47.6	18.8^a	5.0^a	76.2^a	D
303.2	43.8	9.1	47.1	18.6^a	5.7^a	75.6^a	E
303.2	8.5	71.8	19.7	4.5^a	56.1^a	39.4^a	E
303.2	7.8	71.9	20.3	4.1^a	55.7^a	40.2^a	D
303.2	5.4	76.2	18.4	2.9^a	60.1^a	37.1^a	D
303.2	2.4	85.4	12.2	1.4^a	72.2^a	26.4^a	D
303.2	1.0	91.7	7.3	0.61^a	82.5^a	17^a	D
303.2	0.5	95.5	4.0	0.3^a	90.0^a	9.6^a	D
303.2	0.3	99.7	0.0	0.2^a	99.8^a	0.0^a	D

(a) These values were calculated by the compiler.

(b) The solid phases are: A = NaCHO₂·2H₂O; B = NaCHO₂ unstable; C = NaCHO₂ + NaCHO₂·2H₂O; D = NaCHO₂; E = NaCHO₂ exfoliation.

IUPAC-NIST Solubility Data Series, SRD 106