Mw

Orange G

Orange S

Tartrazine

Amaranth

NaHCOO

68.01

1.75

2.98

2.08

3.67

NaCH₃COO

82.03

1.74

2.78

2.00

3.47

NaCH₃CH₂COO

96.06

1.69

2.65

1.78

3.20

NaCH₃CH₂COO∙H₂O

114.07

1.79

2.81

1.89

3.39

average

1.76

2.85

1.99

3.51